/* This file is part of the KDE project
   Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
   Copyright (c) 2007 Jan Hambrecht <jaham@gmx.net>
   Copyright (c) 2007 Sven Langkamp <sven.langkamp@gmail.com>

   This library is free software; you can redistribute it and/or
   modify it under the terms of the GNU Library General Public
   License as published by the Free Software Foundation; either
   version 2 of the License, or (at your option) any later version.

   This library 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
   Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this library; see the file COPYING.LIB.  If not, write to
   the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#ifndef KO_RESOURCE_ITEM_CHOOSER
#define KO_RESOURCE_ITEM_CHOOSER

#include <QWidget>
#include <QModelIndex>

#include "kowidgets_export.h"

class QAbstractProxyModel;
class QButtonGroup;
class QAbstractItemDelegate;
class KoAbstractResourceServerAdapter;
class KoResourceItemView;
class KoResource;

/**
 * A widget that contains a KoResourceChooser as well
 * as an import/export button
 */
class KOWIDGETS_EXPORT KoResourceItemChooser : public QWidget
{
  Q_OBJECT
public:
    explicit KoResourceItemChooser( KoAbstractResourceServerAdapter * resourceAdapter, QWidget *parent = 0 );
    ~KoResourceItemChooser();

    /// Sets number of columns in the view
    void setColumnCount( int columnCount );

    /// Sets the height of the view rows
    void setRowHeight( int rowHeight );

    /// Sets a custom delegate for the view
    void setItemDelegate( QAbstractItemDelegate * delegate );

    /// Gets the currently selected resource
    /// @returns the selected resource, 0 is no resource is selected
    KoResource * currentResource();

    /**
     * Sets the sected resource, does nothing if there is no valid item
     * @param row row of the item
     * @param column column of the item
     */
    void setCurrentItem(int row, int column);

    void showButtons( bool show );
    
    ///Set a proxy model with will be used to filter the resources
    void setProxyModel( QAbstractProxyModel* proxyModel );
signals:
    /// Emitted when a resource was selected
    void resourceSelected( KoResource * resource );

private slots:
    void slotButtonClicked( int button );
    void activated ( const QModelIndex & index );

private:
    enum Buttons { Button_Import, Button_Remove };

    void updateRemoveButtonState();

    /// Resource for a given model index
    /// @returns the resource pointer, 0 is index not valid
    KoResource* resourceFromModelIndex(const QModelIndex & index );

    class Private;
    Private * const d;
};

#endif // KO_RESOURCE_ITEM_CHOOSER
