/****************************************************************************
**
** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
**
** This file is part of Qt Creator.
**
** 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
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** 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.
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** 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.
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****************************************************************************/

#ifndef INTERNALNODEABSTRACTPROPERTY_H
#define INTERNALNODEABSTRACTPROPERTY_H

#include "internalproperty.h"


namespace QmlDesigner {
namespace Internal {

class InternalNodeAbstractProperty : public InternalProperty
{
    friend class InternalNode;

public:
    typedef QSharedPointer<InternalNodeAbstractProperty> Pointer;
    typedef QWeakPointer<InternalNodeAbstractProperty> WeakPointer;

    bool isNodeAbstractProperty() const;

    virtual QList<InternalNodePointer> allSubNodes() const = 0;
    virtual QList<InternalNodePointer> allDirectSubNodes() const = 0;

    virtual bool isEmpty() const = 0;
    virtual int count() const = 0;
    virtual int indexOf(const InternalNodePointer &node) const = 0;

    virtual bool isValid() const;

    using InternalProperty::remove; // keep the virtual remove(...) method around

protected:
    InternalNodeAbstractProperty(const QString &name, const InternalNodePointer &propertyOwner);
    virtual void remove(const InternalNodePointer &node) = 0;
    virtual void add(const InternalNodePointer &node) = 0;
};

} // namespace Internal
} // namespace QmlDesigner

#endif // INTERNALNODEABSTRACTPROPERTY_H
