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/***************************************************************************
* Copyright (C) 2007 by Peter Penz <[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 *
***************************************************************************/
#ifndef DOLPHINCOLUMNWIDGET_H
#define DOLPHINCOLUMNWIDGET_H
#include "dolphinview.h"
#include <QFont>
#include <QListView>
#include <QSize>
#include <QStyleOption>
#include <kurl.h>
class DolphinColumnView;
class DolphinModel;
class DolphinSortFilterProxyModel;
class DolphinDirLister;
class DolphinViewAutoScroller;
class KFilePreviewGenerator;
class KJob;
class KFileItem;
class KFileItemList;
class SelectionManager;
class ToolTipManager;
class QPixmap;
/**
* Represents one column inside the DolphinColumnView and has been
* extended to respect view options and hovering information.
*/
class DolphinColumnWidget : public QListView
{
Q_OBJECT
public:
DolphinColumnWidget(QWidget* parent,
DolphinColumnView* columnView,
const KUrl& url);
virtual ~DolphinColumnWidget();
/** Sets the size of the icons. */
void setDecorationSize(const QSize& size);
/**
* An active column is defined as column, which shows the same URL
* as indicated by the URL navigator. The active column is usually
* drawn in a lighter color. All operations are applied to this column.
*/
void setActive(bool active);
bool isActive() const;
/**
* Sets the directory URL of the child column that is shown next to
* this column. This property is only used for a visual indication
* of the shown directory, it does not trigger a loading of the model.
*/
void setChildUrl(const KUrl& url);
const KUrl& childUrl() const;
/** Sets the directory URL that is shown inside the column widget. */
void setUrl(const KUrl& url);
/** Returns the directory URL that is shown inside the column widget. */
const KUrl& url() const;
/** Reloads the directory DolphinColumnWidget::url(). */
void reload();
void setSorting(DolphinView::Sorting sorting);
void setSortOrder(Qt::SortOrder order);
void setSortFoldersFirst(bool foldersFirst);
void setShowHiddenFiles(bool show);
void setShowPreview(bool show);
/**
* Updates the background color dependent from the activation state
* \a isViewActive of the column view.
*/
void updateBackground();
/**
* Filters the currently shown items by \a nameFilter. All items
* which contain the given filter string will be shown.
*/
void setNameFilter(const QString& nameFilter);
/**
* Does an inline editing for the item \a item.
*/
void editItem(const KFileItem& item);
/**
* Returns the item on the position \a pos. The KFileItem instance
* is null if no item is below the position.
*/
KFileItem itemAt(const QPoint& pos) const;
KFileItemList selectedItems() const;
/**
* Returns the MIME data for the selected items.
*/
QMimeData* selectionMimeData() const;
protected:
virtual QStyleOptionViewItem viewOptions() const;
virtual void startDrag(Qt::DropActions supportedActions);
virtual void dragEnterEvent(QDragEnterEvent* event);
virtual void dragLeaveEvent(QDragLeaveEvent* event);
virtual void dragMoveEvent(QDragMoveEvent* event);
virtual void dropEvent(QDropEvent* event);
virtual void paintEvent(QPaintEvent* event);
virtual void mousePressEvent(QMouseEvent* event);
virtual void keyPressEvent(QKeyEvent* event);
virtual void contextMenuEvent(QContextMenuEvent* event);
virtual void wheelEvent(QWheelEvent* event);
virtual void leaveEvent(QEvent* event);
virtual void selectionChanged(const QItemSelection& selected, const QItemSelection& deselected);
virtual void currentChanged(const QModelIndex& current, const QModelIndex& previous);
private slots:
void slotEntered(const QModelIndex& index);
void slotClicked(const QModelIndex& index);
void slotDoubleClicked(const QModelIndex& index);
void requestActivation();
void updateFont();
private:
/** Used by DolphinColumnWidget::setActive(). */
void activate();
/** Used by DolphinColumnWidget::setActive(). */
void deactivate();
private:
bool m_active;
DolphinColumnView* m_view;
SelectionManager* m_selectionManager;
DolphinViewAutoScroller* m_autoScroller;
KUrl m_url; // URL of the directory that is shown
KUrl m_childUrl; // URL of the next column that is shown
QFont m_font;
QSize m_decorationSize;
DolphinDirLister* m_dirLister;
DolphinModel* m_dolphinModel;
DolphinSortFilterProxyModel* m_proxyModel;
KFilePreviewGenerator* m_previewGenerator;
ToolTipManager* m_toolTipManager;
QRect m_dropRect;
friend class DolphinColumnView;
};
inline bool DolphinColumnWidget::isActive() const
{
return m_active;
}
inline void DolphinColumnWidget::setChildUrl(const KUrl& url)
{
m_childUrl = url;
}
inline const KUrl& DolphinColumnWidget::childUrl() const
{
return m_childUrl;
}
inline void DolphinColumnWidget::setUrl(const KUrl& url)
{
if (url != m_url) {
m_url = url;
reload();
}
}
inline const KUrl& DolphinColumnWidget::url() const
{
return m_url;
}
#endif
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