/***********************************************************************************
 *                                                                                 *
 * 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/stringselectiondialog.h"

#include <QDialogButtonBox>
#include <QTreeWidget>
#include <QVBoxLayout>

namespace voreen {

StringSelectionDialog::StringSelectionDialog(QStringList& resultList, const QStringList& initialList, QWidget* parent)
    : QDialog(parent)
    , resultList_(resultList)
    , initialList_(initialList)
{
    QVBoxLayout* layout = new QVBoxLayout(this);
    treeWidget_ = new QTreeWidget;
    treeWidget_->setHeaderHidden(true);
    treeWidget_->setSelectionMode(QAbstractItemView::ExtendedSelection);
    layout->addWidget(treeWidget_);

    QDialogButtonBox* buttonBox = new QDialogButtonBox;
    buttonBox->addButton(QDialogButtonBox::Ok);
    buttonBox->addButton(QDialogButtonBox::Close);
    connect(buttonBox, SIGNAL(accepted()), this, SLOT(accept()));
    connect(buttonBox, SIGNAL(rejected()), this, SLOT(reject()));
    layout->addWidget(buttonBox, 0, Qt::AlignRight);

    foreach (const QString& str, initialList) {
        QTreeWidgetItem* item = new QTreeWidgetItem(QStringList(str));
        treeWidget_->addTopLevelItem(item);
    }
}

void StringSelectionDialog::accept() {
    QList<QTreeWidgetItem*> items = treeWidget_->selectedItems();
    foreach (QTreeWidgetItem* item, items) {
        resultList_.append(item->text(0));
    }
    QDialog::accept();
}


} // namespace
