Sourcecode hierarchy cleanup: Create folder "views" and move view related sources to it

svn path=/trunk/KDE/kdebase/apps/; revision=1154146

1 files changed, 0 insertions, 1113 deletions

diff --git a/src/dolphindetailsview.cpp b/src/dolphindetailsview.cpp
deleted file mode 100644
index 961bd7872..000000000
--- a/src/dolphindetailsview.cpp
+++ /dev/null
@@ -1,1113 +0,0 @@
-/***************************************************************************
- *   Copyright (C) 2006 by Peter Penz ([email protected])                  *
- *   Copyright (C) 2008 by Simon St. James ([email protected]) *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
-
-#include "dolphindetailsview.h"
-
-#include "additionalinfoaccessor.h"
-#include "dolphinmodel.h"
-#include "dolphinviewcontroller.h"
-#include "dolphinfileitemdelegate.h"
-#include "settings/dolphinsettings.h"
-#include "dolphinsortfilterproxymodel.h"
-#include "dolphinviewautoscroller.h"
-#include "draganddrophelper.h"
-#include "viewextensionsfactory.h"
-#include "viewmodecontroller.h"
-#include "viewproperties.h"
-#include "zoomlevelinfo.h"
-
-#include "dolphin_detailsmodesettings.h"
-#include "dolphin_generalsettings.h"
-
-#include <kdirmodel.h>
-#include <klocale.h>
-#include <kmenu.h>
-
-#include <QAction>
-#include <QApplication>
-#include <QHeaderView>
-#include <QRubberBand>
-#include <QPainter>
-#include <QScrollBar>
-
-DolphinDetailsView::DolphinDetailsView(QWidget* parent,
-                                       DolphinViewController* dolphinViewController,
-                                       const ViewModeController* viewModeController,
-                                       DolphinSortFilterProxyModel* proxyModel) :
-    QTreeView(parent),
-    m_autoResize(true),
-    m_expandingTogglePressed(false),
-    m_keyPressed(false),
-    m_useDefaultIndexAt(true),
-    m_ignoreScrollTo(false),
-    m_dolphinViewController(dolphinViewController),
-    m_viewModeController(viewModeController),
-    m_extensionsFactory(0),
-    m_expandableFoldersAction(0),
-    m_expandedUrls(),
-    m_font(),
-    m_decorationSize(),
-    m_band()
-{
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    Q_ASSERT(settings != 0);
-    Q_ASSERT(dolphinViewController != 0);
-    Q_ASSERT(viewModeController != 0);
-
-    setLayoutDirection(Qt::LeftToRight);
-    setAcceptDrops(true);
-    setSortingEnabled(true);
-    setUniformRowHeights(true);
-    setSelectionBehavior(SelectItems);
-    setDragDropMode(QAbstractItemView::DragDrop);
-    setDropIndicatorShown(false);
-    setAlternatingRowColors(true);
-    setRootIsDecorated(settings->expandableFolders());
-    setItemsExpandable(settings->expandableFolders());
-    setEditTriggers(QAbstractItemView::NoEditTriggers);
-    setModel(proxyModel);
-
-    setMouseTracking(true);
-
-    const ViewProperties props(viewModeController->url());
-    setSortIndicatorSection(props.sorting());
-    setSortIndicatorOrder(props.sortOrder());
-
-    QHeaderView* headerView = header();
-    connect(headerView, SIGNAL(sectionClicked(int)),
-            this, SLOT(synchronizeSortingState(int)));
-    headerView->setContextMenuPolicy(Qt::CustomContextMenu);
-    connect(headerView, SIGNAL(customContextMenuRequested(const QPoint&)),
-            this, SLOT(configureSettings(const QPoint&)));
-    connect(headerView, SIGNAL(sectionResized(int, int, int)),
-            this, SLOT(slotHeaderSectionResized(int, int, int)));
-    connect(headerView, SIGNAL(sectionHandleDoubleClicked(int)),
-            this, SLOT(disableAutoResizing()));
-
-    connect(parent, SIGNAL(sortingChanged(DolphinView::Sorting)),
-            this, SLOT(setSortIndicatorSection(DolphinView::Sorting)));
-    connect(parent, SIGNAL(sortOrderChanged(Qt::SortOrder)),
-            this, SLOT(setSortIndicatorOrder(Qt::SortOrder)));
-
-    connect(this, SIGNAL(clicked(const QModelIndex&)),
-            dolphinViewController, SLOT(requestTab(const QModelIndex&)));
-    if (KGlobalSettings::singleClick()) {
-        connect(this, SIGNAL(clicked(const QModelIndex&)),
-                dolphinViewController, SLOT(triggerItem(const QModelIndex&)));
-    } else {
-        connect(this, SIGNAL(doubleClicked(const QModelIndex&)),
-                dolphinViewController, SLOT(triggerItem(const QModelIndex&)));
-    }
-
-    connect(this, SIGNAL(entered(const QModelIndex&)),
-            this, SLOT(slotEntered(const QModelIndex&)));
-    connect(this, SIGNAL(viewportEntered()),
-            dolphinViewController, SLOT(emitViewportEntered()));
-    connect(viewModeController, SIGNAL(zoomLevelChanged(int)),
-            this, SLOT(setZoomLevel(int)));
-    connect(dolphinViewController->view(), SIGNAL(additionalInfoChanged()),
-            this, SLOT(updateColumnVisibility()));
-    connect(viewModeController, SIGNAL(activationChanged(bool)),
-            this, SLOT(slotActivationChanged(bool)));
-
-    if (settings->useSystemFont()) {
-        m_font = KGlobalSettings::generalFont();
-    } else {
-        m_font = QFont(settings->fontFamily(),
-                       qRound(settings->fontSize()),
-                       settings->fontWeight(),
-                       settings->italicFont());
-        m_font.setPointSizeF(settings->fontSize());
-    }
-
-    setVerticalScrollMode(QTreeView::ScrollPerPixel);
-    setHorizontalScrollMode(QTreeView::ScrollPerPixel);
-
-    const DolphinView* view = dolphinViewController->view();
-    connect(view, SIGNAL(showPreviewChanged()),
-            this, SLOT(slotShowPreviewChanged()));
-
-
-    setFocus();
-    viewport()->installEventFilter(this);
-
-    connect(KGlobalSettings::self(), SIGNAL(settingsChanged(int)),
-            this, SLOT(slotGlobalSettingsChanged(int)));
-
-    m_useDefaultIndexAt = false;
-
-    m_expandableFoldersAction = new QAction(i18nc("@option:check", "Expandable Folders"), this);
-    m_expandableFoldersAction->setCheckable(true);
-    connect(m_expandableFoldersAction, SIGNAL(toggled(bool)),
-            this, SLOT(setFoldersExpandable(bool)));
-
-    connect(this, SIGNAL(expanded(const QModelIndex&)), this, SLOT(slotExpanded(const QModelIndex&)));
-    connect(this, SIGNAL(collapsed(const QModelIndex&)), this, SLOT(slotCollapsed(const QModelIndex&)));
-
-    updateDecorationSize(view->showPreview());
-
-    m_extensionsFactory = new ViewExtensionsFactory(this, dolphinViewController, viewModeController);
-    m_extensionsFactory->fileItemDelegate()->setMinimizedNameColumn(true);
-    m_extensionsFactory->setAutoFolderExpandingEnabled(settings->expandableFolders());
-}
-
-DolphinDetailsView::~DolphinDetailsView()
-{
-}
-
-QSet<KUrl> DolphinDetailsView::expandedUrls() const
-{
-    return m_expandedUrls;
-}
-
-QRegion DolphinDetailsView::visualRegionForSelection(const QItemSelection& selection) const
-{
-    // We have to make sure that the visualRect of each model index is inside the region.
-    // QTreeView::visualRegionForSelection does not do it right because it assumes implicitly
-    // that all visualRects have the same width, which is in general not the case here.
-    QRegion selectionRegion;
-    const QModelIndexList indexes = selection.indexes();
-
-    foreach(const QModelIndex& index, indexes) {
-        selectionRegion += visualRect(index);
-    }
-
-    return selectionRegion;
-}
-
-bool DolphinDetailsView::event(QEvent* event)
-{
-    switch (event->type()) {
-    case QEvent::Polish:
-        header()->setResizeMode(QHeaderView::Interactive);
-        updateColumnVisibility();
-        break;
-
-    case QEvent::FocusOut:
-        // If a key-press triggers an action that e. g. opens a dialog, the
-        // widget gets no key-release event. Assure that the pressed state
-        // is reset to prevent accidently setting the current index during a selection.
-        m_keyPressed = false;
-        break;
-
-    default:
-        break;
-    }
-
-    return QTreeView::event(event);
-}
-
-QStyleOptionViewItem DolphinDetailsView::viewOptions() const
-{
-    QStyleOptionViewItem viewOptions = QTreeView::viewOptions();
-    viewOptions.font = m_font;
-    viewOptions.fontMetrics = QFontMetrics(m_font);
-    viewOptions.showDecorationSelected = true;
-    viewOptions.decorationSize = m_decorationSize;
-    return viewOptions;
-}
-
-void DolphinDetailsView::contextMenuEvent(QContextMenuEvent* event)
-{
-    QTreeView::contextMenuEvent(event);
-
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    m_expandableFoldersAction->setChecked(settings->expandableFolders());
-    m_dolphinViewController->triggerContextMenuRequest(event->pos(),
-                                            QList<QAction*>() << m_expandableFoldersAction);
-}
-
-void DolphinDetailsView::mousePressEvent(QMouseEvent* event)
-{
-    m_dolphinViewController->requestActivation();
-
-    const QModelIndex current = currentIndex();
-    QTreeView::mousePressEvent(event);
-
-    m_expandingTogglePressed = isAboveExpandingToggle(event->pos());
-
-    const QModelIndex index = indexAt(event->pos());
-    const bool updateState = index.isValid() &&
-                             (index.column() == DolphinModel::Name) &&
-                             (event->button() == Qt::LeftButton);
-    if (updateState) {
-        setState(QAbstractItemView::DraggingState);
-    }
-
-    if (!index.isValid() || (index.column() != DolphinModel::Name)) {
-        // the mouse press is done somewhere outside the filename column
-        if (QApplication::mouseButtons() & Qt::MidButton) {
-            m_dolphinViewController->replaceUrlByClipboard();
-        }
-
-        const Qt::KeyboardModifiers mod = QApplication::keyboardModifiers();
-        if (!m_expandingTogglePressed && !(mod & Qt::ShiftModifier) && !(mod & Qt::ControlModifier)) {
-            clearSelection();
-        }
-
-        // restore the current index, other columns are handled as viewport area.
-        // setCurrentIndex(...) implicitly calls scrollTo(...), which we want to ignore.
-        m_ignoreScrollTo = true;
-        selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
-        m_ignoreScrollTo = false;
-
-        if ((event->button() == Qt::LeftButton) && !m_expandingTogglePressed) {
-            // Inform Qt about what we are doing - otherwise it starts dragging items around!
-            setState(DragSelectingState);
-            m_band.show = true;
-            // Incremental update data will not be useful - start from scratch.
-            m_band.ignoreOldInfo = true;
-            const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
-            m_band.origin = event->pos()  + scrollPos;
-            m_band.destination = m_band.origin;
-            m_band.originalSelection = selectionModel()->selection();
-        }
-    }
-}
-
-void DolphinDetailsView::mouseMoveEvent(QMouseEvent* event)
-{
-    if (m_expandingTogglePressed) {
-        // Per default QTreeView starts either a selection or a drag operation when dragging
-        // the expanding toggle button (Qt-issue - see TODO comment in DolphinIconsView::mousePressEvent()).
-        // Turn off this behavior in Dolphin to stay predictable:
-        setState(QAbstractItemView::NoState);
-        return;
-    }
-
-    if (m_band.show) {
-        const QPoint mousePos = event->pos();
-        const QModelIndex index = indexAt(mousePos);
-        if (!index.isValid()) {
-            // the destination of the selection rectangle is above the viewport. In this
-            // case QTreeView does no selection at all, which is not the wanted behavior
-            // in Dolphin -> select all items within the elastic band rectangle
-            updateElasticBandSelection();
-        }
-
-        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
-        // as the Qt-issue #199631 has been fixed.
-        // QTreeView::mouseMoveEvent(event);
-        QAbstractItemView::mouseMoveEvent(event);
-        updateElasticBand();
-    } else {
-        // TODO: enable QTreeView::mouseMoveEvent(event) again, as soon
-        // as the Qt-issue #199631 has been fixed.
-        // QTreeView::mouseMoveEvent(event);
-        QAbstractItemView::mouseMoveEvent(event);
-    }
-}
-
-void DolphinDetailsView::mouseReleaseEvent(QMouseEvent* event)
-{
-    if (!m_expandingTogglePressed) {
-        const QModelIndex index = indexAt(event->pos());
-        if (index.isValid() && (index.column() == DolphinModel::Name)) {
-            QTreeView::mouseReleaseEvent(event);
-        } else {
-            // don't change the current index if the cursor is released
-            // above any other column than the name column, as the other
-            // columns act as viewport
-            const QModelIndex current = currentIndex();
-            QTreeView::mouseReleaseEvent(event);
-            selectionModel()->setCurrentIndex(current, QItemSelectionModel::Current);
-        }
-    }
-    m_expandingTogglePressed = false;
-
-    if (m_band.show) {
-        setState(NoState);
-        updateElasticBand();
-        m_band.show = false;
-    }
-}
-
-void DolphinDetailsView::startDrag(Qt::DropActions supportedActions)
-{
-    DragAndDropHelper::instance().startDrag(this, supportedActions, m_dolphinViewController);
-    m_band.show = false;
-}
-
-void DolphinDetailsView::dragEnterEvent(QDragEnterEvent* event)
-{
-    if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
-        event->acceptProposedAction();
-    }
-
-    if (m_band.show) {
-        updateElasticBand();
-        m_band.show = false;
-    }
-}
-
-void DolphinDetailsView::dragLeaveEvent(QDragLeaveEvent* event)
-{
-    QTreeView::dragLeaveEvent(event);
-    setDirtyRegion(m_dropRect);
-}
-
-void DolphinDetailsView::dragMoveEvent(QDragMoveEvent* event)
-{
-    QTreeView::dragMoveEvent(event);
-
-    // TODO: remove this code when the issue #160611 is solved in Qt 4.4
-    setDirtyRegion(m_dropRect);
-    const QModelIndex index = indexAt(event->pos());
-    if (index.isValid() && (index.column() == DolphinModel::Name)) {
-        const KFileItem item = m_dolphinViewController->itemForIndex(index);
-        if (!item.isNull() && item.isDir()) {
-            m_dropRect = visualRect(index);
-        } else {
-            m_dropRect.setSize(QSize()); // set as invalid
-        }
-        setDirtyRegion(m_dropRect);
-    }
-
-    if (DragAndDropHelper::instance().isMimeDataSupported(event->mimeData())) {
-        // accept url drops, independently from the destination item
-        event->acceptProposedAction();
-    }
-}
-
-void DolphinDetailsView::dropEvent(QDropEvent* event)
-{
-    const QModelIndex index = indexAt(event->pos());
-    KFileItem item;
-    if (index.isValid() && (index.column() == DolphinModel::Name)) {
-        item = m_dolphinViewController->itemForIndex(index);
-    }
-    m_dolphinViewController->indicateDroppedUrls(item, m_viewModeController->url(), event);
-    QTreeView::dropEvent(event);
-}
-
-void DolphinDetailsView::paintEvent(QPaintEvent* event)
-{
-    QTreeView::paintEvent(event);
-    if (m_band.show) {
-        // The following code has been taken from QListView
-        // and adapted to DolphinDetailsView.
-        // (C) 1992-2007 Trolltech ASA
-        QStyleOptionRubberBand opt;
-        opt.initFrom(this);
-        opt.shape = QRubberBand::Rectangle;
-        opt.opaque = false;
-        opt.rect = elasticBandRect();
-
-        QPainter painter(viewport());
-        painter.save();
-        style()->drawControl(QStyle::CE_RubberBand, &opt, &painter);
-        painter.restore();
-    }
-}
-
-void DolphinDetailsView::keyPressEvent(QKeyEvent* event)
-{
-    // If the Control modifier is pressed, a multiple selection
-    // is done and DolphinDetailsView::currentChanged() may not
-    // not change the selection in a custom way.
-    m_keyPressed = !(event->modifiers() & Qt::ControlModifier);
-
-    QTreeView::keyPressEvent(event);
-    m_dolphinViewController->handleKeyPressEvent(event);
-}
-
-void DolphinDetailsView::keyReleaseEvent(QKeyEvent* event)
-{
-    QTreeView::keyReleaseEvent(event);
-    m_keyPressed = false;
-}
-
-void DolphinDetailsView::resizeEvent(QResizeEvent* event)
-{
-    QTreeView::resizeEvent(event);
-    if (m_autoResize) {
-        resizeColumns();
-    }
-}
-
-void DolphinDetailsView::wheelEvent(QWheelEvent* event)
-{
-    const int step = m_decorationSize.height();
-    verticalScrollBar()->setSingleStep(step);
-    QTreeView::wheelEvent(event);
-}
-
-void DolphinDetailsView::currentChanged(const QModelIndex& current, const QModelIndex& previous)
-{
-    QTreeView::currentChanged(current, previous);
-    m_extensionsFactory->handleCurrentIndexChange(current, previous);
-
-    // Stay consistent with QListView: When changing the current index by key presses,
-    // also change the selection.
-    if (m_keyPressed) {
-        setCurrentIndex(current);
-    }
-
-    // If folders are expanded, the width which is available for editing may have changed
-    // because it depends on the level of the current item in the folder hierarchy.
-    adjustMaximumSizeForEditing(current);
-}
-
-bool DolphinDetailsView::eventFilter(QObject* watched, QEvent* event)
-{
-    if ((watched == viewport()) && (event->type() == QEvent::Leave)) {
-        // if the mouse is above an item and moved very fast outside the widget,
-        // no viewportEntered() signal might be emitted although the mouse has been moved
-        // above the viewport
-        m_dolphinViewController->emitViewportEntered();
-    }
-
-    return QTreeView::eventFilter(watched, event);
-}
-
-QModelIndex DolphinDetailsView::indexAt(const QPoint& point) const
-{
-    // the blank portion of the name column counts as empty space
-    const QModelIndex index = QTreeView::indexAt(point);
-    const bool isAboveEmptySpace  = !m_useDefaultIndexAt &&
-                                    (index.column() == KDirModel::Name) && !visualRect(index).contains(point);
-    return isAboveEmptySpace ? QModelIndex() : index;
-}
-
-QRect DolphinDetailsView::visualRect(const QModelIndex& index) const
-{
-    QRect rect = QTreeView::visualRect(index);
-    const KFileItem item = m_dolphinViewController->itemForIndex(index);
-    if (!item.isNull()) {
-        const int width = DolphinFileItemDelegate::nameColumnWidth(item.text(), viewOptions());
-        rect.setWidth(width);
-    }
-
-    return rect;
-}
-
-void DolphinDetailsView::setSelection(const QRect& rect, QItemSelectionModel::SelectionFlags command)
-{
-    // We must override setSelection() as Qt calls it internally and when this happens
-    // we must ensure that the default indexAt() is used.
-    if (!m_band.show) {
-        m_useDefaultIndexAt = true;
-        QTreeView::setSelection(rect, command);
-        m_useDefaultIndexAt = false;
-    } else {
-        // Use our own elastic band selection algorithm
-        updateElasticBandSelection();
-    }
-}
-
-void DolphinDetailsView::scrollTo(const QModelIndex & index, ScrollHint hint)
-{
-    if (!m_ignoreScrollTo) {
-        QTreeView::scrollTo(index, hint);
-    }
-}
-
-void DolphinDetailsView::setSortIndicatorSection(DolphinView::Sorting sorting)
-{
-    header()->setSortIndicator(sorting, header()->sortIndicatorOrder());
-}
-
-void DolphinDetailsView::setSortIndicatorOrder(Qt::SortOrder sortOrder)
-{
-    header()->setSortIndicator(header()->sortIndicatorSection(), sortOrder);
-}
-
-void DolphinDetailsView::synchronizeSortingState(int column)
-{
-    // The sorting has already been changed in QTreeView if this slot is
-    // invoked, but Dolphin is not informed about this.
-    DolphinView::Sorting sorting = DolphinSortFilterProxyModel::sortingForColumn(column);
-    const Qt::SortOrder sortOrder = header()->sortIndicatorOrder();
-    m_dolphinViewController->indicateSortingChange(sorting);
-    m_dolphinViewController->indicateSortOrderChange(sortOrder);
-}
-
-void DolphinDetailsView::slotEntered(const QModelIndex& index)
-{
-    if (index.column() == DolphinModel::Name) {
-        m_dolphinViewController->emitItemEntered(index);
-    } else {
-        m_dolphinViewController->emitViewportEntered();
-    }
-}
-
-void DolphinDetailsView::updateElasticBand()
-{
-    if (m_band.show) {
-        QRect dirtyRegion(elasticBandRect());
-        const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
-        m_band.destination = viewport()->mapFromGlobal(QCursor::pos()) + scrollPos;
-        // Going above the (logical) top-left of the view causes complications during selection;
-        // we may as well prevent it.
-        if (m_band.destination.y() < 0) {
-            m_band.destination.setY(0);
-        }
-        if (m_band.destination.x() < 0) {
-            m_band.destination.setX(0);
-        }
-        dirtyRegion = dirtyRegion.united(elasticBandRect());
-        setDirtyRegion(dirtyRegion);
-    }
-}
-
-QRect DolphinDetailsView::elasticBandRect() const
-{
-    const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
-
-    const QPoint topLeft = m_band.origin - scrollPos;
-    const QPoint bottomRight = m_band.destination - scrollPos;
-    return QRect(topLeft, bottomRight).normalized();
-}
-
-void DolphinDetailsView::setZoomLevel(int level)
-{
-    const int size = ZoomLevelInfo::iconSizeForZoomLevel(level);
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-
-    const bool showPreview = m_dolphinViewController->view()->showPreview();
-    if (showPreview) {
-        settings->setPreviewSize(size);
-    } else {
-        settings->setIconSize(size);
-    }
-
-    updateDecorationSize(showPreview);
-}
-
-void DolphinDetailsView::slotShowPreviewChanged()
-{
-    const DolphinView* view = m_dolphinViewController->view();
-    updateDecorationSize(view->showPreview());
-}
-
-void DolphinDetailsView::configureSettings(const QPoint& pos)
-{
-    KMenu popup(this);
-    popup.addTitle(i18nc("@title:menu", "Columns"));
-
-    // add checkbox items for each column
-    QHeaderView* headerView = header();
-    const int columns = model()->columnCount();
-    for (int i = 0; i < columns; ++i) {
-        const int logicalIndex = headerView->logicalIndex(i);
-        const QString text = model()->headerData(logicalIndex, Qt::Horizontal).toString();
-        if (!text.isEmpty()) {
-            QAction* action = popup.addAction(text);
-            action->setCheckable(true);
-            action->setChecked(!headerView->isSectionHidden(logicalIndex));
-            action->setData(logicalIndex);
-            action->setEnabled(logicalIndex != DolphinModel::Name);
-        }
-    }
-    popup.addSeparator();
-
-    QAction* activatedAction = popup.exec(header()->mapToGlobal(pos));
-    if (activatedAction != 0) {
-        const bool show = activatedAction->isChecked();
-        const int columnIndex = activatedAction->data().toInt();
-
-        KFileItemDelegate::InformationList list = m_dolphinViewController->view()->additionalInfo();
-        const KFileItemDelegate::Information info = infoForColumn(columnIndex);
-        if (show) {
-            Q_ASSERT(!list.contains(info));
-            list.append(info);
-        } else {
-            Q_ASSERT(list.contains(info));
-            const int index = list.indexOf(info);
-            list.removeAt(index);
-        }
-
-        m_dolphinViewController->indicateAdditionalInfoChange(list);
-        setColumnHidden(columnIndex, !show);
-        resizeColumns();
-    }
-}
-
-void DolphinDetailsView::updateColumnVisibility()
-{
-    QHeaderView* headerView = header();
-    disconnect(headerView, SIGNAL(sectionMoved(int, int, int)),
-               this, SLOT(saveColumnPositions()));
-
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    const QList<int> columnPositions = settings->columnPositions();
-
-    const KFileItemDelegate::InformationList list = m_dolphinViewController->view()->additionalInfo();
-    for (int i = DolphinModel::Name; i < DolphinModel::ExtraColumnCount; ++i) {
-        const KFileItemDelegate::Information info = infoForColumn(i);
-        const bool hide = !list.contains(info) && (i != DolphinModel::Name);
-        if (isColumnHidden(i) != hide) {
-            setColumnHidden(i, hide);
-        }
-
-        // If the list columnPositions has been written by an older Dolphin version,
-        // its length might be smaller than DolphinModel::ExtraColumnCount. Therefore,
-        // we have to check if item number i exists before accessing it.
-        if (i < columnPositions.length()) {
-            const int position = columnPositions[i];
-
-            // The position might be outside the correct range if the list columnPositions
-            // has been written by a newer Dolphin version with more columns.
-            if (position < DolphinModel::ExtraColumnCount) {
-                const int from = headerView->visualIndex(i);
-                headerView->moveSection(from, position);
-            }
-        }
-    }
-
-    resizeColumns();
-
-    connect(headerView, SIGNAL(sectionMoved(int, int, int)),
-            this, SLOT(saveColumnPositions()));
-}
-
-void DolphinDetailsView::saveColumnPositions()
-{
-    QList<int> columnPositions;
-    for (int i = DolphinModel::Name; i < DolphinModel::ExtraColumnCount; ++i) {
-        columnPositions.append(header()->visualIndex(i));
-    }
-
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    settings->setColumnPositions(columnPositions);
-}
-
-void DolphinDetailsView::slotHeaderSectionResized(int logicalIndex, int oldSize, int newSize)
-{
-    Q_UNUSED(logicalIndex);
-    Q_UNUSED(oldSize);
-    Q_UNUSED(newSize);
-    // If the user changes the size of the headers, the autoresize feature should be
-    // turned off. As there is no dedicated interface to find out whether the header
-    // section has been resized by the user or by a resize event, another approach is used.
-    // Attention: Take care when changing the if-condition to verify that there is no
-    // regression in combination with bug 178630 (see fix in comment #8).
-    if ((QApplication::mouseButtons() & Qt::LeftButton) && header()->underMouse()) {
-        disableAutoResizing();
-    }
-
-    adjustMaximumSizeForEditing(currentIndex());
-}
-
-void DolphinDetailsView::slotActivationChanged(bool active)
-{
-    setAlternatingRowColors(active);
-}
-
-void DolphinDetailsView::disableAutoResizing()
-{
-    m_autoResize = false;
-}
-
-void DolphinDetailsView::requestActivation()
-{
-    m_dolphinViewController->requestActivation();
-}
-
-void DolphinDetailsView::slotGlobalSettingsChanged(int category)
-{
-    Q_UNUSED(category);
-
-    const DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    Q_ASSERT(settings != 0);
-    if (settings->useSystemFont()) {
-        m_font = KGlobalSettings::generalFont();
-    }
-    //Disconnect then reconnect, since the settings have been changed, the connection requirements may have also.
-    disconnect(this, SIGNAL(clicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex)));
-    disconnect(this, SIGNAL(doubleClicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex)));
-    if (KGlobalSettings::singleClick()) {
-        connect(this, SIGNAL(clicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex)));
-    } else {
-        connect(this, SIGNAL(doubleClicked(QModelIndex)), m_dolphinViewController, SLOT(triggerItem(QModelIndex)));
-    }
-}
-
-void DolphinDetailsView::updateElasticBandSelection()
-{
-    if (!m_band.show) {
-        return;
-    }
-
-    // Ensure the elastic band itself is up-to-date, in
-    // case we are being called due to e.g. a drag event.
-    updateElasticBand();
-
-    // Clip horizontally to the name column, as some filenames will be
-    // longer than the column.  We don't clip vertically as origin
-    // may be above or below the current viewport area.
-    const int nameColumnX = header()->sectionPosition(DolphinModel::Name);
-    const int nameColumnWidth = header()->sectionSize(DolphinModel::Name);
-    QRect selRect = elasticBandRect().normalized();
-    QRect nameColumnArea(nameColumnX, selRect.y(), nameColumnWidth, selRect.height());
-    selRect = nameColumnArea.intersect(selRect).normalized();
-    // Get the last elastic band rectangle, expressed in viewpoint coordinates.
-    const QPoint scrollPos(horizontalScrollBar()->value(), verticalScrollBar()->value());
-    QRect oldSelRect = QRect(m_band.lastSelectionOrigin - scrollPos, m_band.lastSelectionDestination - scrollPos).normalized();
-
-    if (selRect.isNull()) {
-        selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
-        m_band.ignoreOldInfo = true;
-        return;
-    }
-
-    if (!m_band.ignoreOldInfo) {
-        // Do some quick checks to see if we can rule out the need to
-        // update the selection.
-        Q_ASSERT(uniformRowHeights());
-        QModelIndex dummyIndex = model()->index(0, 0);
-        if (!dummyIndex.isValid()) {
-            // No items in the model presumably.
-            return;
-        }
-
-        // If the elastic band does not cover the same rows as before, we'll
-        // need to re-check, and also invalidate the old item distances.
-        const int rowHeight = QTreeView::rowHeight(dummyIndex);
-        const bool coveringSameRows =
-            (selRect.top()    / rowHeight == oldSelRect.top()    / rowHeight) &&
-            (selRect.bottom() / rowHeight == oldSelRect.bottom() / rowHeight);
-        if (coveringSameRows) {
-            // Covering the same rows, but have we moved far enough horizontally
-            // that we might have (de)selected some other items?
-            const bool itemSelectionChanged =
-                ((selRect.left() > oldSelRect.left()) &&
-                 (selRect.left() > m_band.insideNearestLeftEdge)) ||
-                ((selRect.left() < oldSelRect.left()) &&
-                 (selRect.left() <= m_band.outsideNearestLeftEdge)) ||
-                ((selRect.right() < oldSelRect.right()) &&
-                 (selRect.left() >= m_band.insideNearestRightEdge)) ||
-                ((selRect.right() > oldSelRect.right()) &&
-                 (selRect.right() >= m_band.outsideNearestRightEdge));
-
-            if (!itemSelectionChanged) {
-                return;
-            }
-        }
-    } else {
-        // This is the only piece of optimization data that needs to be explicitly
-        // discarded.
-        m_band.lastSelectionOrigin = QPoint();
-        m_band.lastSelectionDestination = QPoint();
-        oldSelRect = selRect;
-    }
-
-    // Do the selection from scratch. Force a update of the horizontal distances info.
-    m_band.insideNearestLeftEdge   = nameColumnX + nameColumnWidth + 1;
-    m_band.insideNearestRightEdge  = nameColumnX - 1;
-    m_band.outsideNearestLeftEdge  = nameColumnX - 1;
-    m_band.outsideNearestRightEdge = nameColumnX + nameColumnWidth + 1;
-
-    // Include the old selection rect as well, so we can deselect
-    // items that were inside it but not in the new selRect.
-    const QRect boundingRect = selRect.united(oldSelRect).normalized();
-    if (boundingRect.isNull()) {
-        return;
-    }
-
-    // Get the index of the item in this row in the name column.
-    // TODO - would this still work if the columns could be re-ordered?
-    QModelIndex startIndex = QTreeView::indexAt(boundingRect.topLeft());
-    if (startIndex.parent().isValid()) {
-        startIndex = startIndex.parent().child(startIndex.row(), KDirModel::Name);
-    } else {
-        startIndex = model()->index(startIndex.row(), KDirModel::Name);
-    }
-    if (!startIndex.isValid()) {
-        selectionModel()->select(m_band.originalSelection, QItemSelectionModel::ClearAndSelect);
-        m_band.ignoreOldInfo = true;
-        return;
-    }
-
-   // Go through all indexes between the top and bottom of boundingRect, and
-   // update the selection.
-   const int verticalCutoff = boundingRect.bottom();
-   QModelIndex currIndex = startIndex;
-   QModelIndex lastIndex;
-   bool allItemsInBoundDone = false;
-
-   // Calling selectionModel()->select(...) for each item that needs to be
-   // toggled is slow as each call emits selectionChanged(...) so store them
-   // and do the selection toggle in one batch.
-   QItemSelection itemsToToggle;
-   // QItemSelection's deal with continuous ranges of indexes better than
-   // single indexes, so try to portion items that need to be toggled into ranges.
-   bool formingToggleIndexRange = false;
-   QModelIndex toggleIndexRangeBegin = QModelIndex();
-
-   do {
-       QRect currIndexRect = visualRect(currIndex);
-
-        // Update some optimization info as we go.
-       const int cr = currIndexRect.right();
-       const int cl = currIndexRect.left();
-       const int sl = selRect.left();
-       const int sr = selRect.right();
-       // "The right edge of the name is outside of the rect but nearer than m_outsideNearestLeft", etc
-       if ((cr < sl && cr > m_band.outsideNearestLeftEdge)) {
-           m_band.outsideNearestLeftEdge = cr;
-       }
-       if ((cl > sr && cl < m_band.outsideNearestRightEdge)) {
-           m_band.outsideNearestRightEdge = cl;
-       }
-       if ((cl >= sl && cl <= sr && cl > m_band.insideNearestRightEdge)) {
-           m_band.insideNearestRightEdge = cl;
-       }
-       if ((cr >= sl && cr <= sr && cr < m_band.insideNearestLeftEdge)) {
-           m_band.insideNearestLeftEdge = cr;
-       }
-
-       bool currentlySelected = selectionModel()->isSelected(currIndex);
-       bool originallySelected = m_band.originalSelection.contains(currIndex);
-       bool intersectsSelectedRect = currIndexRect.intersects(selRect);
-       bool shouldBeSelected = (intersectsSelectedRect && !originallySelected) || (!intersectsSelectedRect && originallySelected);
-       bool needToToggleItem = (currentlySelected && !shouldBeSelected) || (!currentlySelected && shouldBeSelected);
-       if (needToToggleItem && !formingToggleIndexRange) {
-            toggleIndexRangeBegin = currIndex;
-            formingToggleIndexRange = true;
-       }
-
-       // NOTE: indexBelow actually walks up and down expanded trees for us.
-       QModelIndex nextIndex = indexBelow(currIndex);
-       allItemsInBoundDone = !nextIndex.isValid() || currIndexRect.top() > verticalCutoff;
-
-       const bool commitToggleIndexRange = formingToggleIndexRange &&
-                                           (!needToToggleItem ||
-                                            allItemsInBoundDone ||
-                                            currIndex.parent() != toggleIndexRangeBegin.parent());
-       if (commitToggleIndexRange) {
-           formingToggleIndexRange = false;
-            // If this is the last item in the bounds and it is also the beginning of a range,
-            // don't toggle lastIndex - it will already have been dealt with.
-           if (!allItemsInBoundDone || toggleIndexRangeBegin != currIndex) {
-               itemsToToggle.select(toggleIndexRangeBegin, lastIndex);
-           }
-            // Need to start a new range immediately with currIndex?
-           if (needToToggleItem) {
-               toggleIndexRangeBegin = currIndex;
-               formingToggleIndexRange = true;
-           }
-           if (allItemsInBoundDone && needToToggleItem) {
-                // Toggle the very last item in the bounds.
-               itemsToToggle.select(currIndex, currIndex);
-           }
-       }
-
-       // next item
-       lastIndex = currIndex;
-       currIndex = nextIndex;
-    } while (!allItemsInBoundDone);
-
-
-    selectionModel()->select(itemsToToggle, QItemSelectionModel::Toggle);
-
-    m_band.lastSelectionOrigin = m_band.origin;
-    m_band.lastSelectionDestination = m_band.destination;
-    m_band.ignoreOldInfo = false;
-}
-
-void DolphinDetailsView::setFoldersExpandable(bool expandable)
-{
-    if (!expandable) {
-        // collapse all expanded folders, as QTreeView::setItemsExpandable(false)
-        // does not do this task
-        const int rowCount = model()->rowCount();
-        for (int row = 0; row < rowCount; ++row) {
-            setExpanded(model()->index(row, 0), false);
-        }
-    }
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    settings->setExpandableFolders(expandable);
-    setRootIsDecorated(expandable);
-    setItemsExpandable(expandable);
-
-    // The width of the space which is available for editing has changed
-    // because of the (dis)appearance of the expanding toggles
-    adjustMaximumSizeForEditing(currentIndex());
-}
-
-void DolphinDetailsView::slotExpanded(const QModelIndex& index)
-{
-    KFileItem item = m_dolphinViewController->itemForIndex(index);
-    if (!item.isNull()) {
-        m_expandedUrls.insert(item.url());
-    }
-}
-
-void DolphinDetailsView::slotCollapsed(const QModelIndex& index)
-{
-    KFileItem item = m_dolphinViewController->itemForIndex(index);
-    if (!item.isNull()) {
-        m_expandedUrls.remove(item.url());
-    }
-}
-
-void DolphinDetailsView::rowsAboutToBeRemoved(const QModelIndex &parent, int start, int end)
-{
-    removeExpandedIndexes(parent, start, end);
-    QTreeView::rowsAboutToBeRemoved(parent, start, end);
-}
-
-void DolphinDetailsView::removeExpandedIndexes(const QModelIndex& parent, int start, int end)
-{
-    if (m_expandedUrls.isEmpty()) {
-        return;
-    }
-
-    for (int row = start; row <= end; row++) {
-        const QModelIndex index = model()->index(row, 0, parent);
-        if (isExpanded(index)) {
-            slotCollapsed(index);
-            removeExpandedIndexes(index, 0, model()->rowCount(index) - 1);
-        }
-    }
-}
-
-void DolphinDetailsView::updateDecorationSize(bool showPreview)
-{
-    DetailsModeSettings* settings = DolphinSettings::instance().detailsModeSettings();
-    const int iconSize = showPreview ? settings->previewSize() : settings->iconSize();
-    setIconSize(QSize(iconSize, iconSize));
-    m_decorationSize = QSize(iconSize, iconSize);
-
-    doItemsLayout();
-}
-
-KFileItemDelegate::Information DolphinDetailsView::infoForColumn(int columnIndex) const
-{
-    return AdditionalInfoAccessor::instance().keyForColumn(columnIndex);
-}
-
-void DolphinDetailsView::resizeColumns()
-{
-    // Using the resize mode QHeaderView::ResizeToContents is too slow (it takes
-    // around 3 seconds for each (!) resize operation when having > 10000 items).
-    // This gets a problem especially when opening large directories, where several
-    // resize operations are received for showing the currently available items during
-    // loading (the application hangs around 20 seconds when loading > 10000 items).
-
-    QHeaderView* headerView = header();
-    QFontMetrics fontMetrics(viewport()->font());
-
-    // Calculate the required with for each column and store it in columnWidth[]
-    int columnWidth[DolphinModel::ExtraColumnCount];
-    const int defaultWidth = fontMetrics.width("xxxxxxxxxx");
-
-    for (int i = 0; i < DolphinModel::ExtraColumnCount; ++i) {
-        const int logicalIndex = headerView->logicalIndex(i);
-        const QString headline = model()->headerData(logicalIndex, Qt::Horizontal).toString();
-        const int headlineWidth = fontMetrics.width(headline);
-
-        columnWidth[i] = qMax(defaultWidth, headlineWidth);
-    }
-
-    const int defaultSizeWidth = fontMetrics.width("00000 Items");
-    if (defaultSizeWidth > columnWidth[DolphinModel::Size]) {
-        columnWidth[DolphinModel::Size] = defaultSizeWidth;
-    }
-
-    const int defaultTimeWidth = fontMetrics.width("0000-00-00 00:00");
-    if (defaultTimeWidth > columnWidth[DolphinModel::ModifiedTime]) {
-        columnWidth[DolphinModel::ModifiedTime] = defaultTimeWidth;
-    }
-
-    int requiredWidth = 0;
-    for (int i = KDirModel::Size; i < DolphinModel::ExtraColumnCount; ++i) {
-        if (!isColumnHidden(i)) {
-            columnWidth[i] += 20; // provide a default gap
-            requiredWidth += columnWidth[i];
-            headerView->resizeSection(i, columnWidth[i]);
-        }
-    }
-
-    // Resize the name column in a way that the whole available width is used
-    columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
-
-    const int minNameWidth = 300;
-    if (columnWidth[KDirModel::Name] < minNameWidth) {
-        columnWidth[KDirModel::Name] = minNameWidth;
-
-        // It might be possible that the name column width can be
-        // decreased without clipping any text. For performance
-        // reasons the exact necessary width for full visible names is
-        // only checked for up to 200 items:
-        const int rowCount = model()->rowCount();
-        if (rowCount > 0 && rowCount < 200) {
-            const int nameWidth = sizeHintForColumn(DolphinModel::Name);
-            if (nameWidth + requiredWidth <= viewport()->width()) {
-                columnWidth[KDirModel::Name] = viewport()->width() - requiredWidth;
-            } else if (nameWidth < minNameWidth) {
-                columnWidth[KDirModel::Name] = nameWidth;
-            }
-        }
-    }
-
-    headerView->resizeSection(KDirModel::Name, columnWidth[KDirModel::Name]);
-}
-
-bool DolphinDetailsView::isAboveExpandingToggle(const QPoint& pos) const
-{
-    // QTreeView offers no public API to get the information whether an index has an
-    // expanding toggle and what boundaries the toggle has. The following approach
-    // also assumes a toggle for file items.
-    if (itemsExpandable()) {
-        const QModelIndex index = QTreeView::indexAt(pos);
-        if (index.isValid() && (index.column() == KDirModel::Name)) {
-            QRect rect = visualRect(index);
-            const int toggleSize = rect.height();
-            if (isRightToLeft()) {
-                rect.moveRight(rect.right());
-            } else {
-                rect.moveLeft(rect.x() - toggleSize);
-            }
-            rect.setWidth(toggleSize);
-
-            QStyleOption opt;
-            opt.initFrom(this);
-            opt.rect = rect;
-            rect = style()->subElementRect(QStyle::SE_TreeViewDisclosureItem, &opt, this);
-
-            return rect.contains(pos);
-        }
-    }
-    return false;
-}
-
-void DolphinDetailsView::adjustMaximumSizeForEditing(const QModelIndex& index)
-{
-    // Make sure that the full width of the "Name" column is available for "Rename Inline"
-    m_extensionsFactory->fileItemDelegate()->setMaximumSize(QTreeView::visualRect(index).size());
-}
-
-DolphinDetailsView::ElasticBand::ElasticBand() :
-    show(false),
-    origin(),
-    destination(),
-    lastSelectionOrigin(),
-    lastSelectionDestination(),
-    ignoreOldInfo(true),
-    outsideNearestLeftEdge(0),
-    outsideNearestRightEdge(0),
-    insideNearestLeftEdge(0),
-    insideNearestRightEdge(0)
-{
-}
-
-#include "dolphindetailsview.moc"