/****************************************************************************
**
** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
**
** This file is part of the QtMof module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
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** 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
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** 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
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****************************************************************************/
#include "qmofparameter.h"

#include "private/qmofparameterobject_p.h"

#include <QtMof/QMofClass>
#include <QtMof/QMofComment>
#include <QtMof/QMofElement>
#include <QtMof/QMofNamedElement>
#include <QtMof/QMofNamespace>
#include <QtMof/QMofOperation>
#include <QtMof/QMofType>
#include <QtMof/QMofValueSpecification>

QT_BEGIN_NAMESPACE

/*!
    \class QMofParameter

    \inmodule QtMof

    \brief A parameter is a specification of an argument used to pass information into or out of an invocation of a behavioral feature.
 */

/*!
    Creates a new QMofParameter. Also creates the corresponding QObject-based representation returned by asQModelingObject() if \a createQModelingObject is true.
*/
QMofParameter::QMofParameter(bool createQModelingObject) :
    _defaultValue(0),
    _direction(QtMof::ParameterDirectionKindIn),
    _operation(0)
{
    if (createQModelingObject)
        _qModelingObject = qobject_cast<QModelingObject *>(new QMofParameterObject(this));
}

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

/*!
    Returns a deep-copied clone of the QMofParameter.
*/
QModelingElement *QMofParameter::clone() const
{
    QMofParameter *c = new QMofParameter;
    c->asQModelingObject()->setObjectName(this->asQModelingObject()->objectName());
    c->asQModelingObject()->setProperty("role", this->asQModelingObject()->property("role"));
    foreach (QMofComment *element, ownedComments())
        c->addOwnedComment(dynamic_cast<QMofComment *>(element->clone()));
    c->setName(name());
    c->setVisibility(visibility());
    c->setOrdered(isOrdered());
    c->setUnique(isUnique());
    if (lowerValue())
        c->setLowerValue(dynamic_cast<QMofValueSpecification *>(lowerValue()->clone()));
    if (upperValue())
        c->setUpperValue(dynamic_cast<QMofValueSpecification *>(upperValue()->clone()));
    if (defaultValue())
        c->setDefaultValue(dynamic_cast<QMofValueSpecification *>(defaultValue()->clone()));
    c->setDirection(direction());
    return c;
}

// OWNED ATTRIBUTES

/*!
    Specifies a String that represents a value to be used when no argument is supplied for the Parameter.

    \b {This is a read-only derived property.}
 */
QString QMofParameter::default_() const
{
    // This is a read-only derived property

    qWarning("QMofParameter::default_(): to be implemented (this is a derived property)");

    return QString();
}

/*!
    Adjusts default_ to \a default_.
 */
void QMofParameter::setDefault(QString default_)
{
    // This is a read-only derived property

    qWarning("QMofParameter::setDefault(): to be implemented (this is a derived property)");
    Q_UNUSED(default_);

    if (false /* <derivedexclusion-criteria> */) {
        // <derived-code>
    }
}

/*!
    Specifies a ValueSpecification that represents a value to be used when no argument is supplied for the Parameter.

    \b {Subsetted property(ies):} QMofElement::ownedElements().
 */
QMofValueSpecification *QMofParameter::defaultValue() const
{
    // This is a read-write association end

    return _defaultValue;
}

/*!
    Adjusts defaultValue to \a defaultValue.
 */
void QMofParameter::setDefaultValue(QMofValueSpecification *defaultValue)
{
    // This is a read-write association end

    if (_defaultValue != defaultValue) {
        // Adjust subsetted properties
        removeOwnedElement(_defaultValue);

        _defaultValue = defaultValue;
        if (defaultValue && defaultValue->asQModelingObject() && this->asQModelingObject())
            QObject::connect(defaultValue->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setDefaultValue()));
        defaultValue->asQModelingObject()->setParent(this->asQModelingObject());

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

/*!
    Indicates whether a parameter is being sent into or out of a behavioral element.
 */
QtMof::ParameterDirectionKind QMofParameter::direction() const
{
    // This is a read-write property

    return _direction;
}

/*!
    Adjusts direction to \a direction.
 */
void QMofParameter::setDirection(QtMof::ParameterDirectionKind direction)
{
    // This is a read-write property

    if (_direction != direction) {
        _direction = direction;
        _qModelingObject->modifiedResettableProperties() << QStringLiteral("direction");
    }
}

/*!
    References the Operation owning this parameter.

    \b {Subsetted property(ies):} .

    \b {Opposite property(ies):} QMofOperation::ownedParameters().
 */
QMofOperation *QMofParameter::operation() const
{
    // This is a read-write association end

    return _operation;
}

/*!
    Adjusts operation to \a operation.
 */
void QMofParameter::setOperation(QMofOperation *operation)
{
    // This is a read-write association end

    if (_operation != operation) {
        _operation = operation;
        if (operation && operation->asQModelingObject() && this->asQModelingObject())
            QObject::connect(operation->asQModelingObject(), SIGNAL(destroyed()), this->asQModelingObject(), SLOT(setOperation()));
    }
}

QT_END_NAMESPACE