/**************************************************************************
**
** This file is part of Qt Creator
**
** Copyright (c) 2011 Nokia Corporation and/or its subsidiary(-ies).
**
** Contact: Nokia Corporation (info@qt.nokia.com)
**
**
** GNU Lesser General Public License Usage
**
** 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, Nokia gives you certain additional
** rights. These rights are described in the Nokia Qt LGPL Exception
** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
**
** Other Usage
**
** Alternatively, this file may be used in accordance with the terms and
** conditions contained in a signed written agreement between you and Nokia.
**
** If you have questions regarding the use of this file, please contact
** Nokia at info@qt.nokia.com.
**
**************************************************************************/

#ifndef FXSTATE_H
#define FXSTATE_H

#include <corelib_global.h>
#include "qmlmodelnodefacade.h"
#include "qmlchangeset.h"

namespace QmlDesigner {

class QmlModelView;
class QmlModelStateGroup;
class QmlObjectNode;

class CORESHARED_EXPORT QmlModelState : public QmlModelNodeFacade
{
    friend class CORESHARED_EXPORT QmlModelView;

public:
    QmlModelState();
    QmlModelState(const ModelNode &modelNode);

    QmlPropertyChanges propertyChanges(const ModelNode &node);
    QList<QmlModelStateOperation> stateOperations(const ModelNode &node) const;
    QList<QmlPropertyChanges> propertyChanges() const;
    QList<QmlModelStateOperation> stateOperations() const;

    bool hasPropertyChanges(const ModelNode &node) const;

    bool hasStateOperation(const ModelNode &node) const;

    void removePropertyChanges(const ModelNode &node);

    bool affectsModelNode(const ModelNode &node) const;
    QList<QmlObjectNode> allAffectedNodes() const;
    QString name() const;
    void setName(const QString &name);
    bool isValid() const;
    void destroy();

    bool isBaseState() const;
    QmlModelState duplicate(const QString &name) const;
    QmlModelStateGroup stateGroup() const;

protected:
    void addChangeSetIfNotExists(const ModelNode &node);
    static QmlModelState createBaseState(const QmlModelView *view);

};

} //QmlDesigner


#endif // FXSTATE_H
