/****************************************************************************
**
** Copyright (C) 2013 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and Digia.  For licensing terms and
** conditions see http://qt.digia.com/licensing.  For further information
** use the contact form at http://qt.digia.com/contact-us.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Digia gives you certain additional
** rights.  These rights are described in the Digia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
****************************************************************************/

#ifndef CRUMBLEPATH_H
#define CRUMBLEPATH_H

#include "utils_global.h"

#include <QWidget>
#include <QVariant>

namespace Utils {

struct CrumblePathPrivate;

class QTCREATOR_UTILS_EXPORT CrumblePath : public QWidget
{
    Q_OBJECT

public:
    explicit CrumblePath(QWidget *parent = 0);
    ~CrumblePath();

    void selectIndex(int index);
    QVariant dataForIndex(int index) const;
    QVariant dataForLastIndex() const;
    int length() const;
    void sortChildren(Qt::SortOrder order = Qt::AscendingOrder);

public slots:
    void pushElement(const QString &title, const QVariant &data = QVariant());
    void addChild(const QString &title, const QVariant &data = QVariant());
    void popElement();
    virtual void clear();

signals:
    void elementClicked(const QVariant &data);

protected:
    void resizeEvent(QResizeEvent *);

private slots:
    void emitElementClicked();

private:
    void resizeButtons();
    void setBackgroundStyle();

private:
    CrumblePathPrivate *d;
};

} // namespace Utils

#endif // CRUMBLEPATH_H