]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/views/dolphinview.cpp
Details view: Optionally remember user changed column-widths
[dolphin.git] / src / views / dolphinview.cpp
index 441c7e276c38a431a10f3c6f4e93511b8e068f3d..241f24fd41da236bb8b9a6c054be9587b4feec2f 100644 (file)
@@ -41,6 +41,7 @@
 #include <KLocale>
 #include <kitemviews/kfileitemmodel.h>
 #include <kitemviews/kfileitemlistview.h>
+#include <kitemviews/kitemlistheader.h>
 #include <kitemviews/kitemlistselectionmanager.h>
 #include <kitemviews/kitemlistview.h>
 #include <kitemviews/kitemlistcontroller.h>
@@ -56,7 +57,6 @@
 #include <KToggleAction>
 #include <KUrl>
 
-#include "additionalinfoaccessor.h"
 #include "dolphindirlister.h"
 #include "dolphinnewfilemenuobserver.h"
 #include "dolphin_detailsmodesettings.h"
@@ -64,7 +64,6 @@
 #include "dolphinitemlistcontainer.h"
 #include "draganddrophelper.h"
 #include "renamedialog.h"
-#include "settings/dolphinsettings.h"
 #include "versioncontrol/versioncontrolobserver.h"
 #include "viewmodecontroller.h"
 #include "viewproperties.h"
@@ -73,7 +72,6 @@
 
 namespace {
     const int MaxModeEnum = DolphinView::CompactView;
-    const int MaxSortingEnum = DolphinView::SortByPath;
 };
 
 DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
@@ -82,9 +80,10 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
     m_tabsForFiles(false),
     m_assureVisibleCurrentIndex(false),
     m_isFolderWritable(true),
+    m_dragging(false),
     m_url(url),
     m_mode(DolphinView::IconsView),
-    m_additionalInfoList(),
+    m_visibleRoles(),
     m_topLayout(0),
     m_dirLister(0),
     m_container(0),
@@ -100,39 +99,6 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
     m_topLayout->setSpacing(0);
     m_topLayout->setMargin(0);
 
-    //m_dolphinViewController = new DolphinViewController(this);
-
-    //m_viewModeController = new ViewModeController(this);
-    //m_viewModeController->setUrl(url);
-
-    /*connect(m_viewModeController, SIGNAL(urlChanged(KUrl)),
-            this, SIGNAL(urlChanged(KUrl)));
-
-    connect(m_dolphinViewController, SIGNAL(requestContextMenu(QPoint,QList<QAction*>)),
-            this, SLOT(openContextMenu(QPoint,QList<QAction*>)));
-    connect(m_dolphinViewController, SIGNAL(urlsDropped(KFileItem,KUrl,QDropEvent*)),
-            this, SLOT(dropUrls(KFileItem,KUrl,QDropEvent*)));
-    connect(m_dolphinViewController, SIGNAL(sortingChanged(DolphinView::Sorting)),
-            this, SLOT(updateSorting(DolphinView::Sorting)));
-    connect(m_dolphinViewController, SIGNAL(sortOrderChanged(Qt::SortOrder)),
-            this, SLOT(updateSortOrder(Qt::SortOrder)));
-    connect(m_dolphinViewController, SIGNAL(sortFoldersFirstChanged(bool)),
-            this, SLOT(updateSortFoldersFirst(bool)));
-    connect(m_dolphinViewController, SIGNAL(additionalInfoChanged(QList<DolphinView::AdditionalInfo>)),
-            this, SLOT(updateAdditionalInfo(QList<DolphinView::AdditionalInfo>)));*/
-    //connect(m_dolphinViewController, SIGNAL(itemActivated(KFileItem)),
-    //        this, SLOT(triggerItem(KFileItem)));
-    //connect(m_dolphinViewController, SIGNAL(tabRequested(KUrl)),
-    //        this, SIGNAL(tabRequested(KUrl)));
-    /*connect(m_dolphinViewController, SIGNAL(activated()),
-            this, SLOT(activate()));
-    connect(m_dolphinViewController, SIGNAL(itemEntered(KFileItem)),
-            this, SLOT(showHoverInformation(KFileItem)));
-    connect(m_dolphinViewController, SIGNAL(viewportEntered()),
-            this, SLOT(clearHoverInformation()));
-    connect(m_dolphinViewController, SIGNAL(urlChangeRequested(KUrl)),
-            this, SLOT(slotUrlChangeRequested(KUrl)));*/
-
     // When a new item has been created by the "Create New..." menu, the item should
     // get selected and it must be assured that the item will get visible. As the
     // creation is done asynchronously, several signals must be checked:
@@ -164,16 +130,20 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
 
     m_container = new DolphinItemListContainer(m_dirLister, this);
     m_container->setVisibleRoles(QList<QByteArray>() << "name");
+    m_container->installEventFilter(this);
+    setFocusProxy(m_container);
+    connect(m_container->horizontalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
+    connect(m_container->verticalScrollBar(), SIGNAL(valueChanged(int)), this, SLOT(hideToolTip()));
 
     KItemListController* controller = m_container->controller();
     controller->setSelectionBehavior(KItemListController::MultiSelection);
-    connect(controller, SIGNAL(itemActivated(int)),
-            this, SLOT(slotItemActivated(int)));
+    connect(controller, SIGNAL(itemActivated(int)), this, SLOT(slotItemActivated(int)));
+    connect(controller, SIGNAL(itemsActivated(QSet<int>)), this, SLOT(slotItemsActivated(QSet<int>)));
     connect(controller, SIGNAL(itemMiddleClicked(int)), this, SLOT(slotItemMiddleClicked(int)));
     connect(controller, SIGNAL(itemContextMenuRequested(int,QPointF)), this, SLOT(slotItemContextMenuRequested(int,QPointF)));
     connect(controller, SIGNAL(viewContextMenuRequested(QPointF)), this, SLOT(slotViewContextMenuRequested(QPointF)));
     connect(controller, SIGNAL(headerContextMenuRequested(QPointF)), this, SLOT(slotHeaderContextMenuRequested(QPointF)));
-    connect(controller, SIGNAL(itemExpansionToggleClicked(int)), this, SLOT(slotItemExpansionToggleClicked(int)));
+    connect(controller, SIGNAL(mouseButtonPressed(int,Qt::MouseButtons)), this, SLOT(slotMouseButtonPressed(int,Qt::MouseButtons)));
     connect(controller, SIGNAL(itemHovered(int)), this, SLOT(slotItemHovered(int)));
     connect(controller, SIGNAL(itemUnhovered(int)), this, SLOT(slotItemUnhovered(int)));
     connect(controller, SIGNAL(itemDropEvent(int,QGraphicsSceneDragDropEvent*)), this, SLOT(slotItemDropEvent(int,QGraphicsSceneDragDropEvent*)));
@@ -184,6 +154,17 @@ DolphinView::DolphinView(const KUrl& url, QWidget* parent) :
         connect(model, SIGNAL(loadingCompleted()), this, SLOT(slotLoadingCompleted()));
     }
 
+    KItemListView* view = controller->view();
+    view->installEventFilter(this);
+    connect(view, SIGNAL(sortOrderChanged(Qt::SortOrder,Qt::SortOrder)),
+            this, SLOT(slotSortOrderChangedByHeader(Qt::SortOrder,Qt::SortOrder)));
+    connect(view, SIGNAL(sortRoleChanged(QByteArray,QByteArray)),
+            this, SLOT(slotSortRoleChangedByHeader(QByteArray,QByteArray)));
+    connect(view, SIGNAL(visibleRolesChanged(QList<QByteArray>,QList<QByteArray>)),
+            this, SLOT(slotVisibleRolesChangedByHeader(QList<QByteArray>,QList<QByteArray>)));
+    connect(view->header(), SIGNAL(columnWidthChanged(QByteArray,qreal,qreal)),
+            this, SLOT(slotHeaderColumnWidthChanged(QByteArray,qreal,qreal)));
+
     KItemListSelectionManager* selectionManager = controller->selectionManager();
     connect(selectionManager, SIGNAL(selectionChanged(QSet<int>,QSet<int>)),
             this, SLOT(slotSelectionChanged(QSet<int>,QSet<int>)));
@@ -224,25 +205,20 @@ void DolphinView::setActive(bool active)
         color.setAlpha(150);
     }
 
-    /*QAbstractItemView* view = m_viewAccessor.itemView();
-    QWidget* viewport = view ? view->viewport() : 0;
+    QWidget* viewport = m_container->viewport();
     if (viewport) {
         QPalette palette;
         palette.setColor(viewport->backgroundRole(), color);
         viewport->setPalette(palette);
-    }*/
+    }
 
     update();
 
     if (active) {
-        //if (view) {
-        //    view->setFocus();
-        //}
+        m_container->setFocus();
         emit activated();
         emit writeStateChanged(m_isFolderWritable);
     }
-
-    //m_viewModeController->indicateActivationChange(active);
 }
 
 bool DolphinView::isActive() const
@@ -266,19 +242,64 @@ DolphinView::Mode DolphinView::mode() const
     return m_mode;
 }
 
+void DolphinView::setPreviewsShown(bool show)
+{
+    if (previewsShown() == show) {
+        return;
+    }
+
+    ViewProperties props(url());
+    props.setPreviewsShown(show);
+
+    m_container->setPreviewsShown(show);
+    emit previewsShownChanged(show);
+}
+
 bool DolphinView::previewsShown() const
 {
     return m_container->previewsShown();
 }
 
+void DolphinView::setHiddenFilesShown(bool show)
+{
+    if (m_dirLister->showingDotFiles() == show) {
+        return;
+    }
+
+    const KFileItemList itemList = selectedItems();
+    m_selectedUrls.clear();
+    m_selectedUrls = itemList.urlList();
+
+    ViewProperties props(url());
+    props.setHiddenFilesShown(show);
+
+    fileItemModel()->setShowHiddenFiles(show);
+    emit hiddenFilesShownChanged(show);
+}
+
 bool DolphinView::hiddenFilesShown() const
 {
     return m_dirLister->showingDotFiles();
 }
 
-bool DolphinView::categorizedSorting() const
+void DolphinView::setGroupedSorting(bool grouped)
+{
+    if (grouped == groupedSorting()) {
+        return;
+    }
+
+    ViewProperties props(url());
+    props.setGroupedSorting(grouped);
+    props.save();
+
+    m_container->controller()->model()->setGroupedSorting(grouped);
+
+    emit groupedSortingChanged(grouped);
+}
+
+bool DolphinView::groupedSorting() const
 {
-    return false; //m_storedCategorizedSorting;
+    return fileItemModel()->groupedSorting();
 }
 
 KFileItemList DolphinView::items() const
@@ -312,6 +333,11 @@ void DolphinView::markUrlsAsSelected(const QList<KUrl>& urls)
     m_selectedUrls = urls;
 }
 
+void DolphinView::markUrlAsCurrent(const KUrl& url)
+{
+    m_currentItemUrl = url;
+}
+
 void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 {
     const KItemListSelectionManager::SelectionMode mode = enabled
@@ -322,7 +348,7 @@ void DolphinView::setItemSelectionEnabled(const QRegExp& pattern, bool enabled)
 
     for (int index = 0; index < model->count(); index++) {
         const KFileItem item = model->fileItem(index);
-        if (pattern.exactMatch(item.name())) {
+        if (pattern.exactMatch(item.text())) {
             // An alternative approach would be to store the matching items in a QSet<int> and
             // select them in one go after the loop, but we'd need a new function
             // KItemListSelectionManager::setSelected(QSet<int>, SelectionMode mode)
@@ -346,17 +372,17 @@ int DolphinView::zoomLevel() const
     return m_container->zoomLevel();
 }
 
-void DolphinView::setSorting(Sorting sorting)
+void DolphinView::setSortRole(const QByteArray& role)
 {
-    if (sorting != this->sorting()) {
-        updateSorting(sorting);
+    if (role != sortRole()) {
+        updateSortRole(role);
     }
 }
 
-DolphinView::Sorting DolphinView::sorting() const
+QByteArray DolphinView::sortRole() const
 {
-    KItemModelBase* model = m_container->controller()->model();
-    return sortingForSortRole(model->sortRole());
+    const KItemModelBase* model = m_container->controller()->model();
+    return model->sortRole();
 }
 
 void DolphinView::setSortOrder(Qt::SortOrder order)
@@ -385,22 +411,22 @@ bool DolphinView::sortFoldersFirst() const
     return model->sortFoldersFirst();
 }
 
-void DolphinView::setAdditionalInfoList(const QList<AdditionalInfo>& info)
+void DolphinView::setVisibleRoles(const QList<QByteArray>& roles)
 {
-    const QList<AdditionalInfo> previousList = info;
+    const QList<QByteArray> previousRoles = roles;
 
     ViewProperties props(url());
-    props.setAdditionalInfoList(info);
+    props.setVisibleRoles(roles);
 
-    m_additionalInfoList = info;
-    applyAdditionalInfoListToView();
+    m_visibleRoles = roles;
+    m_container->setVisibleRoles(roles);
 
-    emit additionalInfoListChanged(m_additionalInfoList, previousList);
+    emit visibleRolesChanged(m_visibleRoles, previousRoles);
 }
 
-QList<DolphinView::AdditionalInfo> DolphinView::additionalInfoList() const
+QList<QByteArray> DolphinView::visibleRoles() const
 {
-    return m_additionalInfoList;
+    return m_visibleRoles;
 }
 
 void DolphinView::reload()
@@ -425,28 +451,34 @@ void DolphinView::stopLoading()
     m_dirLister->stop();
 }
 
-void DolphinView::refresh()
+void DolphinView::readSettings()
 {
-    const bool oldActivationState = m_active;
-    const int oldZoomLevel = zoomLevel();
-    m_active = true;
+    const int oldZoomLevel = m_container->zoomLevel();
 
+    GeneralSettings::self()->readConfig();
+    m_container->readSettings();
     applyViewProperties();
-    reload();
 
-    setActive(oldActivationState);
-    updateZoomLevel(oldZoomLevel);
+    const int newZoomLevel = m_container->zoomLevel();
+    if (newZoomLevel != oldZoomLevel) {
+        emit zoomLevelChanged(newZoomLevel, oldZoomLevel);
+    }
+}
+
+void DolphinView::writeSettings()
+{
+    GeneralSettings::self()->writeConfig();
+    m_container->writeSettings();
 }
 
 void DolphinView::setNameFilter(const QString& nameFilter)
 {
-    Q_UNUSED(nameFilter);
-    //m_viewModeController->setNameFilter(nameFilter);
+    fileItemModel()->setNameFilter(nameFilter);
 }
 
 QString DolphinView::nameFilter() const
 {
-    return QString(); //m_viewModeController->nameFilter();
+    return fileItemModel()->nameFilter();
 }
 
 void DolphinView::calculateItemCount(int& fileCount,
@@ -465,61 +497,50 @@ void DolphinView::calculateItemCount(int& fileCount,
 
 QString DolphinView::statusBarText() const
 {
-    QString text;
+    QString summary;
+    QString foldersText;
+    QString filesText;
+
     int folderCount = 0;
     int fileCount = 0;
     KIO::filesize_t totalFileSize = 0;
 
     if (hasSelection()) {
-        // give a summary of the status of the selected files
+        // Give a summary of the status of the selected files
         const KFileItemList list = selectedItems();
-        if (list.isEmpty()) {
-            // when an item is triggered, it is temporary selected but selectedItems()
-            // will return an empty list
-            return text;
-        }
-
-        KFileItemList::const_iterator it = list.begin();
-        const KFileItemList::const_iterator end = list.end();
-        while (it != end) {
-            const KFileItem& item = *it;
+        foreach (const KFileItem& item, list) {
             if (item.isDir()) {
                 ++folderCount;
             } else {
                 ++fileCount;
                 totalFileSize += item.size();
             }
-            ++it;
         }
 
         if (folderCount + fileCount == 1) {
-            // if only one item is selected, show the filename
-            const QString name = list.first().text();
-            text = (folderCount == 1) ? i18nc("@info:status", "<filename>%1</filename> selected", name) :
-                                        i18nc("@info:status", "<filename>%1</filename> selected (%2)",
-                                              name, KIO::convertSize(totalFileSize));
+            // If only one item is selected, show the filename
+            filesText = i18nc("@info:status", "<filename>%1</filename> selected", list.first().text());
         } else {
-            // at least 2 items are selected
-            const QString foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
-            const QString filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
-            if ((folderCount > 0) && (fileCount > 0)) {
-                text = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
-                             foldersText, filesText, KIO::convertSize(totalFileSize));
-            } else if (fileCount > 0) {
-                text = i18nc("@info:status files (size)", "%1 (%2)", filesText, KIO::convertSize(totalFileSize));
-            } else {
-                Q_ASSERT(folderCount > 0);
-                text = foldersText;
-            }
+            // At least 2 items are selected
+            foldersText = i18ncp("@info:status", "1 Folder selected", "%1 Folders selected", folderCount);
+            filesText = i18ncp("@info:status", "1 File selected", "%1 Files selected", fileCount);
         }
     } else {
         calculateItemCount(fileCount, folderCount, totalFileSize);
-        text = KIO::itemsSummaryString(fileCount + folderCount,
-                                       fileCount, folderCount,
-                                       totalFileSize, true);
+        foldersText = i18ncp("@info:status", "1 Folder", "%1 Folders", folderCount);
+        filesText = i18ncp("@info:status", "1 File", "%1 Files", fileCount);
     }
 
-    return text;
+    if (fileCount > 0 && folderCount > 0) {
+        summary = i18nc("@info:status folders, files (size)", "%1, %2 (%3)",
+                        foldersText, filesText, fileSizeText(totalFileSize));
+    } else if (fileCount > 0) {
+        summary = i18nc("@info:status files (size)", "%1 (%2)", filesText, fileSizeText(totalFileSize));
+    } else if (folderCount > 0) {
+        summary = foldersText;
+    }
+
+    return summary;
 }
 
 QList<QAction*> DolphinView::versionControlActions(const KFileItemList& items) const
@@ -545,9 +566,7 @@ void DolphinView::setUrl(const KUrl& url)
     emit urlAboutToBeChanged(url);
     m_url = url;
 
-    if (GeneralSettings::showToolTips()) {
-        m_toolTipManager->hideToolTip();
-    }
+    hideToolTip();
 
     // It is important to clear the items from the model before
     // applying the view properties, otherwise expensive operations
@@ -585,6 +604,8 @@ void DolphinView::renameSelectedItems()
         return;
     }
 
+    // TODO: The new view-engine introduced with Dolphin 2.0 does not support inline
+    // renaming yet.
     /*if ((itemCount == 1) && DolphinSettings::instance().generalSettings()->renameInline()) {
         const QModelIndex dirIndex = m_viewAccessor.dirModel()->indexForItem(items.first());
         const QModelIndex proxyIndex = m_viewAccessor.proxyModel()->mapFromSource(dirIndex);
@@ -649,56 +670,55 @@ void DolphinView::pasteIntoFolder()
     }
 }
 
-void DolphinView::setPreviewsShown(bool show)
+bool DolphinView::eventFilter(QObject* watched, QEvent* event)
 {
-    if (previewsShown() == show) {
-        return;
-    }
+    switch (event->type()) {
+    case QEvent::FocusIn:
+        if (watched == m_container) {
+            setActive(true);
+        }
+        break;
 
-    ViewProperties props(url());
-    props.setPreviewsShown(show);
+    case QEvent::GraphicsSceneDragEnter:
+        if (watched == m_container->controller()->view()) {
+            m_dragging = true;
+        }
+        break;
 
-    m_container->setPreviewsShown(show);
-    emit previewsShownChanged(show);
-}
+    case QEvent::GraphicsSceneDragLeave:
+        if (watched == m_container->controller()->view()) {
+            m_dragging = false;
+        }
+        break;
 
-void DolphinView::setHiddenFilesShown(bool show)
-{
-    if (m_dirLister->showingDotFiles() == show) {
-        return;
+    case QEvent::GraphicsSceneDrop:
+        if (watched == m_container->controller()->view()) {
+            m_dragging = false;
+        }
+    default:
+        break;
     }
 
-    const KFileItemList itemList = selectedItems();
-    m_selectedUrls.clear();
-    m_selectedUrls = itemList.urlList();
-
-    ViewProperties props(url());
-    props.setHiddenFilesShown(show);
-
-    m_dirLister->setShowingDotFiles(show);
-    m_dirLister->emitChanges();
-    emit hiddenFilesShownChanged(show);
+    return QWidget::eventFilter(watched, event);
 }
 
-void DolphinView::setCategorizedSorting(bool categorized)
+void DolphinView::wheelEvent(QWheelEvent* event)
 {
-    if (categorized == categorizedSorting()) {
-        return;
-    }
-
-    ViewProperties props(url());
-    props.setCategorizedSorting(categorized);
-    props.save();
+    if (event->modifiers().testFlag(Qt::ControlModifier)) {
+        const int numDegrees = event->delta() / 8;
+        const int numSteps = numDegrees / 15;
 
-    //m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
-
-    emit categorizedSortingChanged(categorized);
+        setZoomLevel(zoomLevel() + numSteps);
+        event->accept();
+    } else {
+        event->ignore();
+    }
 }
 
-void DolphinView::mouseReleaseEvent(QMouseEvent* event)
+void DolphinView::hideEvent(QHideEvent* event)
 {
-    QWidget::mouseReleaseEvent(event);
-    setActive(true);
+    hideToolTip();
+    QWidget::hideEvent(event);
 }
 
 void DolphinView::activate()
@@ -708,22 +728,30 @@ void DolphinView::activate()
 
 void DolphinView::slotItemActivated(int index)
 {
-    Q_UNUSED(index);
+    const KFileItem item = fileItemModel()->fileItem(index);
+    if (!item.isNull()) {
+        emit itemActivated(item);
+    }
+}
 
-    const KFileItemList items = selectedItems();
-    if (items.isEmpty()) {
-        return;
+void DolphinView::slotItemsActivated(const QSet<int>& indexes)
+{
+    Q_ASSERT(indexes.count() >= 2);
+
+    KFileItemList items;
+
+    KFileItemModel* model = fileItemModel();
+    QSetIterator<int> it(indexes);
+    while (it.hasNext()) {
+        const int index = it.next();
+        items.append(model->fileItem(index));
     }
 
-    if (items.count() == 1) {
-        emit itemActivated(items.at(0)); // caught by DolphinViewContainer or DolphinPart
-    } else {
-        foreach (const KFileItem& item, items) {
-            if (item.isDir()) {
-                emit tabRequested(item.url());
-            } else {
-                emit itemActivated(item);
-            }
+    foreach (const KFileItem& item, items) {
+        if (item.isDir()) {
+            emit tabRequested(item.url());
+        } else {
+            emit itemActivated(item);
         }
     }
 }
@@ -738,88 +766,139 @@ void DolphinView::slotItemMiddleClicked(int index)
 
 void DolphinView::slotItemContextMenuRequested(int index, const QPointF& pos)
 {
-    if (GeneralSettings::showToolTips()) {
-        m_toolTipManager->hideToolTip();
-    }
     const KFileItem item = fileItemModel()->fileItem(index);
     emit requestContextMenu(pos.toPoint(), item, url(), QList<QAction*>());
 }
 
 void DolphinView::slotViewContextMenuRequested(const QPointF& pos)
 {
-    if (GeneralSettings::showToolTips()) {
-        m_toolTipManager->hideToolTip();
-    }
     emit requestContextMenu(pos.toPoint(), KFileItem(), url(), QList<QAction*>());
 }
 
 void DolphinView::slotHeaderContextMenuRequested(const QPointF& pos)
 {
-    QWeakPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
+    ViewProperties props(url());
+
+    QPointer<KMenu> menu = new KMenu(QApplication::activeWindow());
 
     KItemListView* view = m_container->controller()->view();
     const QSet<QByteArray> visibleRolesSet = view->visibleRoles().toSet();
 
+    QString groupName;
+    QMenu* groupMenu = 0;
+
     // Add all roles to the menu that can be shown or hidden by the user
-    const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-    const QList<DolphinView::AdditionalInfo> keys = infoAccessor.keys();
-    foreach (const DolphinView::AdditionalInfo info, keys) {
-        const QByteArray& role = infoAccessor.role(info);
-        if (role != "name") {
-            const QString text = fileItemModel()->roleDescription(role);
-
-            QAction* action = menu.data()->addAction(text);
-            action->setCheckable(true);
-            action->setChecked(visibleRolesSet.contains(role));
-            action->setData(info);
+    const QList<KFileItemModel::RoleInfo> rolesInfo = KFileItemModel::rolesInformation();
+    foreach (const KFileItemModel::RoleInfo& info, rolesInfo) {
+        if (info.role == "name") {
+            // It should not be possible to hide the "name" role
+            continue;
         }
-    }
 
-    QAction* action = menu.data()->exec(pos.toPoint());
-    if (action) {
-        // Show or hide the selected role
-        const DolphinView::AdditionalInfo info =
-            static_cast<DolphinView::AdditionalInfo>(action->data().toInt());
+        const QString text = fileItemModel()->roleDescription(info.role);
+        QAction* action = 0;
+        if (info.group.isEmpty()) {
+            action = menu->addAction(text);
+        } else {
+            if (!groupMenu || info.group != groupName) {
+                groupName = info.group;
+                groupMenu = menu->addMenu(groupName);
+            }
 
-        ViewProperties props(url());
-        QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
+            action = groupMenu->addAction(text);
+        }
 
-        const QByteArray selectedRole = infoAccessor.role(info);
-        QList<QByteArray> visibleRoles = view->visibleRoles();
+        action->setCheckable(true);
+        action->setChecked(visibleRolesSet.contains(info.role));
+        action->setData(info.role);
+    }
+
+    menu->addSeparator();
+
+    QActionGroup* widthsGroup = new QActionGroup(menu);
+    const bool autoColumnWidths = props.headerColumnWidths().isEmpty();
+
+    QAction* autoAdjustWidthsAction = menu->addAction(i18nc("@action:inmenu", "Automatic Column Widths"));
+    autoAdjustWidthsAction->setCheckable(true);
+    autoAdjustWidthsAction->setChecked(autoColumnWidths);
+    autoAdjustWidthsAction->setActionGroup(widthsGroup);
+
+    QAction* customWidthsAction = menu->addAction(i18nc("@action:inmenu", "Custom Column Widths"));
+    customWidthsAction->setCheckable(true);
+    customWidthsAction->setChecked(!autoColumnWidths);
+    customWidthsAction->setActionGroup(widthsGroup);
+
+    QAction* action = menu->exec(pos.toPoint());
+    if (menu && action) {
+        if (action == autoAdjustWidthsAction) {
+            // Clear the column-widths from the viewproperties and turn on
+            // the automatic resizing of the columns
+            props.setHeaderColumnWidths(QList<int>());
+            KItemListHeader* header = m_container->controller()->view()->header();
+            header->setAutomaticColumnResizing(true);
+        } else if (action == customWidthsAction) {
+            // Apply the current column-widths as custom column-widths and turn
+            // off the automatic resizing of the columns
+            const KItemListView* view = m_container->controller()->view();
+            KItemListHeader* header = view->header();
+
+            QList<int> columnWidths;
+            foreach (const QByteArray& role, view->visibleRoles()) {
+                columnWidths.append(header->columnWidth(role));
+            }
 
-        if (action->isChecked()) {
-            const int index = keys.indexOf(info) + 1;
-            visibleRoles.insert(index, selectedRole);
-            infoList.insert(index, info);
+            props.setHeaderColumnWidths(columnWidths);
+            header->setAutomaticColumnResizing(false);
         } else {
-            visibleRoles.removeOne(selectedRole);
-            infoList.removeOne(info);
-        }
+            // Show or hide the selected role
+            const QByteArray selectedRole = action->data().toByteArray();
+
+            QList<QByteArray> visibleRoles = view->visibleRoles();
+            if (action->isChecked()) {
+                visibleRoles.append(selectedRole);
+            } else {
+                visibleRoles.removeOne(selectedRole);
+            }
 
-        view->setVisibleRoles(visibleRoles);
-        props.setAdditionalInfoList(infoList);
+            view->setVisibleRoles(visibleRoles);
+            props.setVisibleRoles(visibleRoles);
+        }
     }
 
-    delete menu.data();
+    delete menu;
 }
 
-void DolphinView::slotItemExpansionToggleClicked(int index)
+void DolphinView::slotHeaderColumnWidthChanged(const QByteArray& role, qreal current, qreal previous)
 {
-    // TODO: When doing a model->setExpanded(false) it should
-    // be checked here whether the current index is part of the
-    // closed sub-tree. If this is the case, the current index
-    // should be adjusted to the parent index.
-    KFileItemModel* model = fileItemModel();
-    const bool expanded = model->isExpanded(index);
-    model->setExpanded(index, !expanded);
+    Q_UNUSED(previous);
+
+    const QList<QByteArray> visibleRoles = m_container->visibleRoles();
+
+    ViewProperties props(url());
+    QList<int> columnWidths = props.headerColumnWidths();
+    if (columnWidths.count() != visibleRoles.count()) {
+        columnWidths.clear();
+        columnWidths.reserve(visibleRoles.count());
+        const KItemListHeader* header = m_container->controller()->view()->header();
+        foreach (const QByteArray& role, visibleRoles) {
+            const int width = header->columnWidth(role);
+            columnWidths.append(width);
+        }
+    }
+
+    const int roleIndex = visibleRoles.indexOf(role);
+    Q_ASSERT(roleIndex >= 0 && roleIndex < columnWidths.count());
+    columnWidths[roleIndex] = current;
+
+    props.setHeaderColumnWidths(columnWidths);
 }
 
 void DolphinView::slotItemHovered(int index)
 {
     const KFileItem item = fileItemModel()->fileItem(index);
 
-    if (GeneralSettings::showToolTips()) {
-        QRectF itemRect = m_container->controller()->view()->itemBoundingRect(index);
+    if (GeneralSettings::showToolTips() && !m_dragging) {
+        QRectF itemRect = m_container->controller()->view()->itemContextRect(index);
         const QPoint pos = m_container->mapToGlobal(itemRect.topLeft().toPoint());
         itemRect.moveTo(pos);
 
@@ -832,15 +911,23 @@ void DolphinView::slotItemHovered(int index)
 void DolphinView::slotItemUnhovered(int index)
 {
     Q_UNUSED(index);
-    if (GeneralSettings::showToolTips()) {
-        m_toolTipManager->hideToolTip();
-    }
+    hideToolTip();
     emit requestItemInfo(KFileItem());
 }
 
 void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* event)
 {
-    const KFileItem destItem = fileItemModel()->fileItem(index);
+    KUrl destUrl;
+    KFileItem destItem = fileItemModel()->fileItem(index);
+    if (destItem.isNull() || (!destItem.isDir() && !destItem.isDesktopFile())) {
+        // Use the URL of the view as drop target if the item is no directory
+        // or desktop-file
+        destItem = fileItemModel()->rootItem();
+        destUrl = url();
+    } else {
+        // The item represents a directory or desktop-file
+        destUrl = destItem.url();
+    }
 
     QDropEvent dropEvent(event->pos().toPoint(),
                          event->possibleActions(),
@@ -848,7 +935,10 @@ void DolphinView::slotItemDropEvent(int index, QGraphicsSceneDragDropEvent* even
                          event->buttons(),
                          event->modifiers());
 
-    DragAndDropHelper::dropUrls(destItem, url(), &dropEvent, this);
+    const QString error = DragAndDropHelper::dropUrls(destItem, destUrl, &dropEvent);
+    if (!error.isEmpty()) {
+        emit errorMessage(error);
+    }
 }
 
 void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* previous)
@@ -864,6 +954,22 @@ void DolphinView::slotModelChanged(KItemModelBase* current, KItemModelBase* prev
     m_versionControlObserver->setModel(fileItemModel);
 }
 
+void DolphinView::slotMouseButtonPressed(int itemIndex, Qt::MouseButtons buttons)
+{
+    hideToolTip();
+
+    if (itemIndex < 0) {
+        // Trigger the history navigation only when clicking on the viewport:
+        // Above an item the XButtons provide a simple way to select items in
+        // the singleClick mode.
+        if (buttons & Qt::XButton1) {
+            emit goBackRequested();
+        } else if (buttons & Qt::XButton2) {
+            emit goForwardRequested();
+        }
+    }
+}
+
 void DolphinView::slotSelectionChanged(const QSet<int>& current, const QSet<int>& previous)
 {
     const int currentCount = current.count();
@@ -884,25 +990,15 @@ void DolphinView::emitSelectionChangedSignal()
     emit selectionChanged(selectedItems());
 }
 
-void DolphinView::dropUrls(const KFileItem& destItem,
-                           const KUrl& destPath,
-                           QDropEvent* event)
-{
-    Q_UNUSED(destItem);
-    Q_UNUSED(destPath);
-    markPastedUrlsAsSelected(event->mimeData());
-    //DragAndDropHelper::instance().dropUrls(destItem, destPath, event, this);
-}
-
-void DolphinView::updateSorting(DolphinView::Sorting sorting)
+void DolphinView::updateSortRole(const QByteArray& role)
 {
     ViewProperties props(url());
-    props.setSorting(sorting);
+    props.setSortRole(role);
 
     KItemModelBase* model = m_container->controller()->model();
-    model->setSortRole(sortRoleForSorting(sorting));
+    model->setSortRole(role);
 
-    emit sortingChanged(sorting);
+    emit sortRoleChanged(role);
 }
 
 void DolphinView::updateSortOrder(Qt::SortOrder order)
@@ -967,6 +1063,7 @@ void DolphinView::saveState(QDataStream& stream)
     const int currentIndex = m_container->controller()->selectionManager()->currentItem();
     if (currentIndex != -1) {
         KFileItem item = fileItemModel()->fileItem(currentIndex);
+        Q_ASSERT(!item.isNull()); // If the current index is valid a item must exist
         KUrl currentItemUrl = item.url();
         stream << currentItemUrl;
     } else {
@@ -1062,6 +1159,13 @@ void DolphinView::updateViewState()
     }
 }
 
+void DolphinView::hideToolTip()
+{
+    if (GeneralSettings::showToolTips()) {
+        m_toolTipManager->hideToolTip();
+    }
+}
+
 void DolphinView::showHoverInformation(const KFileItem& item)
 {
     emit requestItemInfo(item);
@@ -1096,9 +1200,7 @@ void DolphinView::slotDirListerStarted(const KUrl& url)
 void DolphinView::slotLoadingCompleted()
 {
     // Update the view-state. This has to be done using a Qt::QueuedConnection
-    // because the view might not be in its final state yet (the view also
-    // listens to the completed()-signal from KDirLister and the order of
-    // of slots is undefined).
+    // because the view might not be in its final state yet.
     QTimer::singleShot(0, this, SLOT(updateViewState()));
 
     emit finishedPathLoading(url());
@@ -1117,6 +1219,44 @@ void DolphinView::slotRefreshItems()
     }
 }
 
+void DolphinView::slotSortOrderChangedByHeader(Qt::SortOrder current, Qt::SortOrder previous)
+{
+    Q_UNUSED(previous);
+    Q_ASSERT(fileItemModel()->sortOrder() == current);
+
+    ViewProperties props(url());
+    props.setSortOrder(current);
+
+    emit sortOrderChanged(current);
+}
+
+void DolphinView::slotSortRoleChangedByHeader(const QByteArray& current, const QByteArray& previous)
+{
+    Q_UNUSED(previous);
+    Q_ASSERT(fileItemModel()->sortRole() == current);
+
+    ViewProperties props(url());
+    props.setSortRole(current);
+
+    emit sortRoleChanged(current);
+}
+
+void DolphinView::slotVisibleRolesChangedByHeader(const QList<QByteArray>& current,
+                                                  const QList<QByteArray>& previous)
+{
+    Q_UNUSED(previous);
+    Q_ASSERT(m_container->controller()->view()->visibleRoles() == current);
+
+    const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
+
+    m_visibleRoles = current;
+
+    ViewProperties props(url());
+    props.setVisibleRoles(m_visibleRoles);
+
+    emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
+}
+
 KFileItemModel* DolphinView::fileItemModel() const
 {
     return static_cast<KFileItemModel*>(m_container->controller()->model());
@@ -1142,6 +1282,7 @@ void DolphinView::applyViewProperties()
     m_container->beginTransaction();
 
     const ViewProperties props(url());
+    KFileItemModel* model = fileItemModel();
 
     const Mode mode = props.viewMode();
     if (m_mode != mode) {
@@ -1168,25 +1309,21 @@ void DolphinView::applyViewProperties()
     }
 
     const bool hiddenFilesShown = props.hiddenFilesShown();
-    if (hiddenFilesShown != m_dirLister->showingDotFiles()) {
-        m_dirLister->setShowingDotFiles(hiddenFilesShown);
-        m_dirLister->emitChanges();
+    if (hiddenFilesShown != model->showHiddenFiles()) {
+        model->setShowHiddenFiles(hiddenFilesShown);
         emit hiddenFilesShownChanged(hiddenFilesShown);
     }
 
-/*    m_storedCategorizedSorting = props.categorizedSorting();
-    const bool categorized = m_storedCategorizedSorting && supportsCategorizedSorting();
-    if (categorized != m_viewAccessor.proxyModel()->isCategorizedModel()) {
-        m_viewAccessor.proxyModel()->setCategorizedModel(categorized);
-        emit categorizedSortingChanged();
-    }*/
+    const bool groupedSorting = props.groupedSorting();
+    if (groupedSorting != model->groupedSorting()) {
+        model->setGroupedSorting(groupedSorting);
+        emit groupedSortingChanged(groupedSorting);
+    }
 
-    const DolphinView::Sorting sorting = props.sorting();
-    KFileItemModel* model = fileItemModel();
-    const QByteArray newSortRole = sortRoleForSorting(sorting);
-    if (newSortRole != model->sortRole()) {
-        model->setSortRole(newSortRole);
-        emit sortingChanged(sorting);
+    const QByteArray sortRole = props.sortRole();
+    if (sortRole != model->sortRole()) {
+        model->setSortRole(sortRole);
+        emit sortRoleChanged(sortRole);
     }
 
     const Qt::SortOrder sortOrder = props.sortOrder();
@@ -1201,12 +1338,12 @@ void DolphinView::applyViewProperties()
         emit sortFoldersFirstChanged(sortFoldersFirst);
     }
 
-    const QList<DolphinView::AdditionalInfo> infoList = props.additionalInfoList();
-    if (infoList != m_additionalInfoList) {
-        const QList<DolphinView::AdditionalInfo> previousList = m_additionalInfoList;
-        m_additionalInfoList = infoList;
-        applyAdditionalInfoListToView();
-        emit additionalInfoListChanged(m_additionalInfoList, previousList);
+    const QList<QByteArray> visibleRoles = props.visibleRoles();
+    if (visibleRoles != m_visibleRoles) {
+        const QList<QByteArray> previousVisibleRoles = m_visibleRoles;
+        m_visibleRoles = visibleRoles;
+        m_container->setVisibleRoles(visibleRoles);
+        emit visibleRolesChanged(m_visibleRoles, previousVisibleRoles);
     }
 
     const bool previewsShown = props.previewsShown();
@@ -1222,22 +1359,25 @@ void DolphinView::applyViewProperties()
         }
     }
 
-    m_container->endTransaction();
-}
-
-void DolphinView::applyAdditionalInfoListToView()
-{
-    const AdditionalInfoAccessor& infoAccessor = AdditionalInfoAccessor::instance();
-
-    QList<QByteArray> visibleRoles;
-    visibleRoles.reserve(m_additionalInfoList.count() + 1);
-    visibleRoles.append("name");
-
-    foreach (AdditionalInfo info, m_additionalInfoList) {
-        visibleRoles.append(infoAccessor.role(info));
+    KItemListView* itemListView = m_container->controller()->view();
+    if (itemListView->isHeaderVisible()) {
+        KItemListHeader* header = itemListView->header();
+        const QList<int> headerColumnWidths = props.headerColumnWidths();
+        const int rolesCount = m_visibleRoles.count();
+        if (headerColumnWidths.count() == rolesCount) {
+            header->setAutomaticColumnResizing(false);
+
+            QHash<QByteArray, qreal> columnWidths;
+            for (int i = 0; i < rolesCount; ++i) {
+                columnWidths.insert(m_visibleRoles[i], headerColumnWidths[i]);
+            }
+            header->setColumnWidths(columnWidths);
+        } else {
+            header->setAutomaticColumnResizing(true);
+        }
     }
 
-    m_container->setVisibleRoles(visibleRoles);
+    m_container->endTransaction();
 }
 
 void DolphinView::pasteToUrl(const KUrl& url)
@@ -1246,16 +1386,6 @@ void DolphinView::pasteToUrl(const KUrl& url)
     KonqOperations::doPaste(this, url);
 }
 
-void DolphinView::updateZoomLevel(int oldZoomLevel)
-{
-    Q_UNUSED(oldZoomLevel);
- /*   const int newZoomLevel = ZoomLevelInfo::zoomLevelForIconSize(m_viewAccessor.itemView()->iconSize());
-    if (oldZoomLevel != newZoomLevel) {
-        m_viewModeController->setZoomLevel(newZoomLevel);
-        emit zoomLevelChanged(newZoomLevel);
-    }*/
-}
-
 KUrl::List DolphinView::simplifiedSelectedUrls() const
 {
     KUrl::List urls;
@@ -1303,44 +1433,27 @@ void DolphinView::updateWritableState()
     }
 }
 
-QByteArray DolphinView::sortRoleForSorting(Sorting sorting) const
+QString DolphinView::fileSizeText(KIO::filesize_t fileSize)
 {
-    switch (sorting) {
-    case SortByName:        return "name";
-    case SortBySize:        return "size";
-    case SortByDate:        return "date";
-    case SortByPermissions: return "permissions";
-    case SortByOwner:       return "owner";
-    case SortByGroup:       return "group";
-    case SortByType:        return "type";
-    case SortByDestination: return "destination";
-    case SortByPath:        return "path";
-    default: break;
-    }
-
-    return QByteArray();
-}
+    const KLocale* locale = KGlobal::locale();
+    const unsigned int multiplier = (locale->binaryUnitDialect() == KLocale::MetricBinaryDialect)
+                                    ? 1000 : 1024;
 
-DolphinView::Sorting DolphinView::sortingForSortRole(const QByteArray& sortRole) const
-{
-    static QHash<QByteArray, DolphinView::Sorting> sortHash;
-    if (sortHash.isEmpty()) {
-        sortHash.insert("name", SortByName);
-        sortHash.insert("size", SortBySize);
-        sortHash.insert("date", SortByDate);
-        sortHash.insert("permissions", SortByPermissions);
-        sortHash.insert("owner", SortByOwner);
-        sortHash.insert("group", SortByGroup);
-        sortHash.insert("type", SortByType);
-        sortHash.insert("destination", SortByDestination);
-        sortHash.insert("path", SortByPath);
+    QString text;
+    if (fileSize < multiplier) {
+        // Show the size in bytes
+        text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitByte);
+    } else if (fileSize < multiplier * multiplier) {
+        // Show the size in kilobytes and always round up. This is done
+        // for consistency with the values shown e.g. in the "Size" column
+        // of the details-view.
+        fileSize += (multiplier / 2) - 1;
+        text = locale->formatByteSize(fileSize, 0, KLocale::DefaultBinaryDialect, KLocale::UnitKiloByte);
+    } else {
+        // Show the size in the best fitting unit having one decimal
+        text = locale->formatByteSize(fileSize, 1);
     }
-    return sortHash.value(sortRole);
-}
-
-void DolphinView::markUrlAsCurrent(const KUrl& url)
-{
-    m_currentItemUrl = url;
+    return text;
 }
 
 #include "dolphinview.moc"