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/****************************************************************************
**
** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtModeling module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** 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.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL included in the
** packaging of this file.  Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#ifndef QTMODELINGGLOBAL_H
#define QTMODELINGGLOBAL_H

#include <QtCore/QtGlobal>
#include <QtCore/QVariant>
#include <QtScript/QScriptValue>
#include <QtScript/QScriptEngine>
#include <QtScript/QScriptValueIterator>

QT_BEGIN_NAMESPACE

#ifndef QT_STATIC
#    if defined(QT_BUILD_MODELING_LIB)
#        define Q_MODELING_EXPORT Q_DECL_EXPORT
#    else
#        define Q_MODELING_EXPORT Q_DECL_IMPORT
#    endif
#else
#    define Q_MODELING_EXPORT
#endif

QT_END_NAMESPACE

class QModelingObject;

template<class T>
T qmodelingobjectproperty_cast(const QObject *object)
{
    return object ? object->property("modelingObject").value<T>():T();
}

template <class T>
QScriptValue qSetToScriptValue(QScriptEngine *engine, const QSet<T *> &elements)
{
    QScriptValue array = engine->newArray();
    foreach (T *element, elements)
        array.property(QString::fromLatin1("push")).call(array, QScriptValueList() << engine->newQObject(element));
    return array;
}

template <class T>
void scriptValueToQSet(const QScriptValue &obj, QSet<T *> &elements)
{
    QScriptValueIterator it(obj);
    while (it.hasNext()) {
        it.next();
        elements.insert(qobject_cast<T *>(it.value().toQObject()));
    }
}

template <class T>
QScriptValue qListToScriptValue(QScriptEngine *engine, const QList<T *> &elements)
{
    QScriptValue array = engine->newArray();
    foreach (T *element, elements)
        array.property(QString::fromLatin1("push")).call(array, QScriptValueList() << engine->newQObject(element));
    return array;
}

template <class T>
void scriptValueToQList(const QScriptValue &obj, QList<T *> &elements)
{
    QScriptValueIterator it(obj);
    while (it.hasNext()) {
        it.next();
        elements.append(qobject_cast<T *>(it.value().toQObject()));
    }
}

#endif // QTMODELINGGLOBAL_H