/***********************************************************************************
 *                                                                                 *
 * Voreen - The Volume Rendering Engine                                            *
 *                                                                                 *
 * Copyright (C) 2005-2012 University of Muenster, Germany.                        *
 * Visualization and Computer Graphics Group <http://viscg.uni-muenster.de>        *
 * For a list of authors please refer to the file "CREDITS.txt".                   *
 *                                                                                 *
 * This file is part of the Voreen software package. Voreen is free software:      *
 * you can redistribute it and/or modify it under the terms of the GNU General     *
 * Public License version 2 as published by the Free Software Foundation.          *
 *                                                                                 *
 * Voreen 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 in the file   *
 * "LICENSE.txt" along with this file. If not, see <http://www.gnu.org/licenses/>. *
 *                                                                                 *
 * For non-commercial academic use see the license exception specified in the file *
 * "LICENSE-academic.txt". To get information about commercial licensing please    *
 * contact the authors.                                                            *
 *                                                                                 *
 ***********************************************************************************/

#ifndef VRN_COLORPROPERTYWIDGET_H
#define VRN_COLORPROPERTYWIDGET_H

#include "voreen/core/properties/vectorproperty.h"

#include "voreen/qt/widgets/property/qpropertywidget.h"

#include "tgt/vector.h"

#include <QLabel>

namespace voreen {

class ClickableColorLabel : public QLabel {
    Q_OBJECT
public:
    ClickableColorLabel(const QString& text, QWidget* parent=0, Qt::WindowFlags f=0);
    void setColor(const QColor& color);
    QColor getColor() const;

signals:
    void clicked();

protected:
    void mousePressEvent(QMouseEvent* e);
    void paintEvent(QPaintEvent* event);

    QColor color_;
};

class ColorPropertyWidget : public QPropertyWidget {
    Q_OBJECT
public:
    ColorPropertyWidget(FloatVec4Property* prop, QWidget* parent = 0);

    void updateFromProperty();

public slots:
    void setProperty();

protected:
    void colorDialog();
    void updateColorLabel();
    tgt::Color toTgtColor(QColor color);
    QColor toQColor(tgt::Color color);

private:
    FloatVec4Property* property_;
    ClickableColorLabel* colorLbl_;
    QColor currentColor_;
};

} // namespace

#endif // VRN_COLORPROPERTYWIDGET_H
