/***********************************************************************************
 *                                                                                 *
 * 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.                                                            *
 *                                                                                 *
 ***********************************************************************************/

#include "voreen/qt/widgets/choicelistcombobox.h"

namespace voreen {

ChoiceListComboBox::ChoiceListComboBox(const std::vector<std::string>& list, bool editable, QWidget* parent)
    : QComboBox(parent)
    , ignore_(false)
    , list_(list)
{
    setEditable(editable);
    setInsertPolicy(QComboBox::NoInsert);
}

void ChoiceListComboBox::showPopup() {
    ignore_ = true;
    QString text = currentText();
    clear();

    if (isEditable())
        addItem("");

    for (size_t i=0; i < list_.size(); i++)
        addItem(list_[i].c_str());

    // restore what was previously selected
    if (isEditable()) {
        setCurrentIndex(-1);
        setEditText(text);
    } else {
        for (int i=0; i < count(); i++)
            if (itemText(i) == text) {
                setCurrentIndex(i);
                break;
            }
    }

    QComboBox::showPopup();
    ignore_ = false;
}

} // namespace
