singlecolumnobjectproxymodel.h

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/*
  singlecolumnobjectproxymodel.h

  This file is part of GammaRay, the Qt application inspection and
  manipulation tool.

  Copyright (C) 2010-2015 Klarälvdalens Datakonsult AB, a KDAB Group company, info@kdab.com
  Author: Volker Krause <volker.krause@kdab.com>

  Licensees holding valid commercial KDAB GammaRay licenses may use this file in
  accordance with GammaRay Commercial License Agreement provided with the Software.

  Contact info@kdab.com if any conditions of this licensing are not clear to you.

  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 GAMMARAY_SINGLECOLUMNOBJECTPROXYMODEL_H
#define GAMMARAY_SINGLECOLUMNOBJECTPROXYMODEL_H

#include <common/objectmodel.h>
#include "util.h"

#if QT_VERSION < QT_VERSION_CHECK(4, 8, 0)
#include <QSortFilterProxyModel>
typedef QSortFilterProxyModel QIdentityProxyModel;
#else
#include <QIdentityProxyModel>
#endif

namespace GammaRay {

class SingleColumnObjectProxyModel : public QIdentityProxyModel
{
  public:
    explicit SingleColumnObjectProxyModel(QObject *parent = 0)
      : QIdentityProxyModel(parent)
    {
    }

    QVariant data(const QModelIndex &proxyIndex, int role = Qt::DisplayRole) const
    {
      if (proxyIndex.isValid() && role == Qt::DisplayRole && proxyIndex.column() == 0) {
        const QObject *obj = proxyIndex.data(ObjectModel::ObjectRole).value<QObject*>();
        if (obj) {
          return Util::displayString(obj);
        }
      }

      return QIdentityProxyModel::data(proxyIndex, role);
    }
};

}

#endif // GAMMARAY_SINGLECOLUMNOBJECTPROXYMODEL_H