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/***************************************************************************
* Copyright (C) 2007-2009 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 DOLPHINCOLUMNVIEW_H
#define DOLPHINCOLUMNVIEW_H
#include "dolphinview.h"
#include <QFont>
#include <QListView>
#include <QSize>
#include <QStyleOption>
#include <kurl.h>
class DolphinColumnViewContainer;
class DolphinModel;
class DolphinSortFilterProxyModel;
class DolphinDirLister;
class KFileItem;
class SelectionManager;
class ViewExtensionsFactory;
/**
* Represents one column inside the DolphinColumnViewContainer.
*/
class DolphinColumnView : public QListView
{
Q_OBJECT
public:
DolphinColumnView(QWidget* parent,
DolphinColumnViewContainer* container,
const KUrl& url);
virtual ~DolphinColumnView();
/**
* 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);
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. */
KUrl url() const;
/**
* Updates the background color dependent from the activation state
* \a isViewActive of the column view.
*/
void updateBackground();
/**
* 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;
virtual void setSelectionModel(QItemSelectionModel* model);
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 currentChanged(const QModelIndex& current, const QModelIndex& previous);
private slots:
void setZoomLevel(int level);
void slotEntered(const QModelIndex& index);
void requestActivation();
void updateFont();
void slotShowPreviewChanged();
private:
/** Used by DolphinColumnView::setActive(). */
void activate();
/** Used by DolphinColumnView::setActive(). */
void deactivate();
void updateDecorationSize(bool showPreview);
private:
bool m_active;
DolphinColumnViewContainer* m_container;
SelectionManager* m_selectionManager;
ViewExtensionsFactory* m_extensionsFactory;
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;
QRect m_dropRect;
friend class DolphinColumnViewContainer;
};
inline bool DolphinColumnView::isActive() const
{
return m_active;
}
inline void DolphinColumnView::setChildUrl(const KUrl& url)
{
m_childUrl = url;
}
inline KUrl DolphinColumnView::childUrl() const
{
return m_childUrl;
}
inline void DolphinColumnView::setUrl(const KUrl& url)
{
if (url != m_url) {
m_url = url;
//reload();
}
}
inline KUrl DolphinColumnView::url() const
{
return m_url;
}
#endif
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