/****************************************************************************************
 * Copyright (c) 2009 Nikolaj Hald Nielsen <nhn@kde.org>                                *
 *                                                                                      *
 * 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, see <http://www.gnu.org/licenses/>.                           *
 ****************************************************************************************/
 
#ifndef BROWSERBREADCRUMBITEM_H
#define BROWSERBREADCRUMBITEM_H

#include <KHBox>

class BrowserCategory;
class BreadcrumbItemButton;
class BreadcrumbItemMenuButton;

/**
 *  A widget representing a single "breadcrumb" item
 *  @author Nikolaj Hald Nielsen <nhn@kde.org>
 */

class BrowserBreadcrumbItem : public KHBox
{
    Q_OBJECT
public:
    BrowserBreadcrumbItem( BrowserCategory * category );

    /**
     * Overloaded constructor for creating breadcrumb items not bound to a particular BrowserCategory
     */
    BrowserBreadcrumbItem( const QString &name, const QStringList &childItems, const QString &callback, BrowserCategory * handler );

    bool isAddItem() { return m_category == 0; }
    
    ~BrowserBreadcrumbItem();

    void setActive( bool active );

    QSizePolicy sizePolicy () const;

    int nominalWidth() const;

signals:

    void activated( const QString &callback );
    
protected slots:
    void updateSizePolicy();
    void activate();
    void activateSibling();

private:
    BrowserCategory          *m_category;
    BreadcrumbItemMenuButton *m_menuButton;
    BreadcrumbItemButton     *m_mainButton;

    QString m_callback;
    int m_nominalWidth;
    
};

#endif
