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** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
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** This file is part of the QtDuse module of the Qt Toolkit.
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** 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
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#include "qdusemodelchange.h"

#include "private/qdusemodelchangeobject_p.h"

#include <QtUml/QUmlOpaqueExpression>
#include <QtUml/QUmlProperty>

QT_BEGIN_NAMESPACE

/*!
    \class QDuseModelChange

    \inmodule QtDuse

    \brief The changes to be enacted in the design dimension instance's target element.
 */

/*!
    Creates a new QDuseModelChange. Also creates the corresponding QObject-based representation returned by asQModelingObject() if \a createQModelingObject is true.
*/
QDuseModelChange::QDuseModelChange(bool createQModelingObject) :
    _targetSelectionRule(0),
    _valueSelectionRule(0),
    _targetProperty(0)
{
    if (createQModelingObject)
        _qModelingObject = qobject_cast<QModelingObject *>(new QDuseModelChangeObject(this));
}

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

/*!
    Returns a deep-copied clone of the QDuseModelChange.
*/
QModelingElement *QDuseModelChange::clone() const
{
    QDuseModelChange *c = new QDuseModelChange;
    c->asQModelingObject()->setObjectName(this->asQModelingObject()->objectName());
    c->asQModelingObject()->setProperty("role", this->asQModelingObject()->property("role"));
    if (targetSelectionRule())
        c->setTargetSelectionRule(dynamic_cast<QUmlOpaqueExpression *>(targetSelectionRule()->clone()));
    if (valueSelectionRule())
        c->setValueSelectionRule(dynamic_cast<QUmlOpaqueExpression *>(valueSelectionRule()->clone()));
    return c;
}

// OWNED ATTRIBUTES

/*!
    A rule to select the element which is the target of this particular change.
 */
QUmlOpaqueExpression *QDuseModelChange::targetSelectionRule() const
{
    // This is a read-write property

    return _targetSelectionRule;
}

/*!
    Adjusts targetSelectionRule to \a targetSelectionRule.
 */
void QDuseModelChange::setTargetSelectionRule(QUmlOpaqueExpression *targetSelectionRule)
{
    // This is a read-write property

    if (_targetSelectionRule != targetSelectionRule) {
        _targetSelectionRule = targetSelectionRule;
        if (targetSelectionRule && targetSelectionRule->asQModelingObject() && this->asQModelingObject())
            QObject::connect(targetSelectionRule->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setTargetSelectionRule()));
        targetSelectionRule->asQModelingObject()->setParent(this->asQModelingObject());
    }
}

/*!
    A rule to find out the new value of this target's property.
 */
QUmlOpaqueExpression *QDuseModelChange::valueSelectionRule() const
{
    // This is a read-write property

    return _valueSelectionRule;
}

/*!
    Adjusts valueSelectionRule to \a valueSelectionRule.
 */
void QDuseModelChange::setValueSelectionRule(QUmlOpaqueExpression *valueSelectionRule)
{
    // This is a read-write property

    if (_valueSelectionRule != valueSelectionRule) {
        _valueSelectionRule = valueSelectionRule;
        if (valueSelectionRule && valueSelectionRule->asQModelingObject() && this->asQModelingObject())
            QObject::connect(valueSelectionRule->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setValueSelectionRule()));
        valueSelectionRule->asQModelingObject()->setParent(this->asQModelingObject());
    }
}

/*!
    The metamodel's property which will be modified in this change.
 */
QUmlProperty *QDuseModelChange::targetProperty() const
{
    // This is a read-write property

    return _targetProperty;
}

/*!
    Adjusts targetProperty to \a targetProperty.
 */
void QDuseModelChange::setTargetProperty(QUmlProperty *targetProperty)
{
    // This is a read-write property

    if (_targetProperty != targetProperty) {
        _targetProperty = targetProperty;
        if (targetProperty && targetProperty->asQModelingObject() && this->asQModelingObject())
            QObject::connect(targetProperty->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setTargetProperty()));
    }
}

QT_END_NAMESPACE