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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 QtUml 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.
**
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "qumlabstraction.h"

#include "private/qumlabstractionobject_p.h"

#include <QtUml/QUmlComment>
#include <QtUml/QUmlElement>
#include <QtUml/QUmlNamedElement>
#include <QtUml/QUmlNamespace>
#include <QtUml/QUmlOpaqueExpression>
#include <QtUml/QUmlPackage>
#include <QtUml/QUmlParameterableElement>
#include <QtUml/QUmlStringExpression>
#include <QtUml/QUmlTemplateParameter>

QT_BEGIN_NAMESPACE

/*!
    \class QUmlAbstraction

    \inmodule QtUml

    \brief An abstraction is a relationship that relates two elements or sets of elements that represent the same concept at different levels of abstraction or from different viewpoints.
 */

/*!
    Creates a new QUmlAbstraction. Also creates the corresponding QObject-based representation returned by asQModelingObject() if \a createQModelingObject is true.
*/
QUmlAbstraction::QUmlAbstraction(bool createQModelingObject) :
    QUmlDependency(false),
    _mapping(0)
{
    if (createQModelingObject)
        _qModelingObject = qobject_cast<QModelingObject *>(new QUmlAbstractionObject(this));
}

/*!
    Destroys the QUmlAbstraction.
 */
QUmlAbstraction::~QUmlAbstraction()
{
    QModelingElement::deleteQModelingObject();
}

/*!
    Returns a deep-copied clone of the QUmlAbstraction.
*/
QModelingElement *QUmlAbstraction::clone() const
{
    QUmlAbstraction *c = new QUmlAbstraction;
    c->asQModelingObject()->setObjectName(this->asQModelingObject()->objectName());
    c->asQModelingObject()->setProperty("role", this->asQModelingObject()->property("role"));
    foreach (QUmlComment *element, ownedComments())
        c->addOwnedComment(dynamic_cast<QUmlComment *>(element->clone()));
    c->setName(name());
    if (nameExpression())
        c->setNameExpression(dynamic_cast<QUmlStringExpression *>(nameExpression()->clone()));
    c->setVisibility(visibility());
    if (mapping())
        c->setMapping(dynamic_cast<QUmlOpaqueExpression *>(mapping()->clone()));
    return c;
}

// OWNED ATTRIBUTES

/*!
    An composition of an Expression that states the abstraction relationship between the supplier and the client. In some cases, such as Derivation, it is usually formal and unidirectional; in other cases, such as Trace, it is usually informal and bidirectional. The mapping expression is optional and may be omitted if the precise relationship between the elements is not specified.

    \b {Subsetted property(ies):} QUmlElement::ownedElements().
 */
QUmlOpaqueExpression *QUmlAbstraction::mapping() const
{
    // This is a read-write association end

    return _mapping;
}

/*!
    Adjusts mapping to \a mapping.
 */
void QUmlAbstraction::setMapping(QUmlOpaqueExpression *mapping)
{
    // This is a read-write association end

    if (_mapping != mapping) {
        // Adjust subsetted properties
        removeOwnedElement(_mapping);

        _mapping = mapping;
        if (mapping && mapping->asQModelingObject() && this->asQModelingObject())
            QObject::connect(mapping->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setMapping()));
        mapping->asQModelingObject()->setParent(this->asQModelingObject());

        // Adjust subsetted properties
        if (mapping) {
            addOwnedElement(mapping);
        }
    }
}

QT_END_NAMESPACE