/****************************************************************************
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** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtUml 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
** ensure the GNU General Public License version 3.0 requirements will be
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****************************************************************************/
#include "qumlusecase.h"

#include "private/qumlusecaseobject_p.h"

#include <QtUml/QUmlBehavior>
#include <QtUml/QUmlClassifier>
#include <QtUml/QUmlClassifierTemplateParameter>
#include <QtUml/QUmlCollaborationUse>
#include <QtUml/QUmlComment>
#include <QtUml/QUmlConstraint>
#include <QtUml/QUmlDependency>
#include <QtUml/QUmlElement>
#include <QtUml/QUmlElementImport>
#include <QtUml/QUmlExtend>
#include <QtUml/QUmlExtensionPoint>
#include <QtUml/QUmlFeature>
#include <QtUml/QUmlGeneralization>
#include <QtUml/QUmlGeneralizationSet>
#include <QtUml/QUmlInclude>
#include <QtUml/QUmlInterfaceRealization>
#include <QtUml/QUmlNamedElement>
#include <QtUml/QUmlNamespace>
#include <QtUml/QUmlPackage>
#include <QtUml/QUmlPackageableElement>
#include <QtUml/QUmlPackageImport>
#include <QtUml/QUmlParameterableElement>
#include <QtUml/QUmlProperty>
#include <QtUml/QUmlRedefinableElement>
#include <QtUml/QUmlRedefinableTemplateSignature>
#include <QtUml/QUmlStringExpression>
#include <QtUml/QUmlSubstitution>
#include <QtUml/QUmlTemplateBinding>
#include <QtUml/QUmlTemplateParameter>
#include <QtUml/QUmlTemplateSignature>
#include <QtUml/QUmlType>

QT_BEGIN_NAMESPACE

/*!
    \class QUmlUseCase

    \inmodule QtUml

    \brief A use case is the specification of a set of actions performed by a system, which yields an observable result that is, typically, of value for one or more actors or other stakeholders of the system.
 */

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

/*!
    Returns a deep-copied clone of the QUmlUseCase.
*/
QModelingElement *QUmlUseCase::clone() const
{
    QUmlUseCase *c = new QUmlUseCase;
    foreach (QUmlComment *element, ownedComments())
        c->addOwnedComment(dynamic_cast<QUmlComment *>(element->clone()));
    foreach (QUmlDependency *element, clientDependencies())
        c->addClientDependency(dynamic_cast<QUmlDependency *>(element->clone()));
    c->setName(name());
    if (nameExpression())
        c->setNameExpression(dynamic_cast<QUmlStringExpression *>(nameExpression()->clone()));
    foreach (QUmlElementImport *element, elementImports())
        c->addElementImport(dynamic_cast<QUmlElementImport *>(element->clone()));
    foreach (QUmlConstraint *element, ownedRules())
        c->addOwnedRule(dynamic_cast<QUmlConstraint *>(element->clone()));
    foreach (QUmlPackageImport *element, packageImports())
        c->addPackageImport(dynamic_cast<QUmlPackageImport *>(element->clone()));
    if (owningTemplateParameter())
        c->setOwningTemplateParameter(dynamic_cast<QUmlTemplateParameter *>(owningTemplateParameter()->clone()));
    c->setVisibility(visibility());
    if (package())
        c->setPackage(dynamic_cast<QUmlPackage *>(package()->clone()));
    c->setLeaf(isLeaf());
    foreach (QUmlTemplateBinding *element, templateBindings())
        c->addTemplateBinding(dynamic_cast<QUmlTemplateBinding *>(element->clone()));
    foreach (QUmlCollaborationUse *element, collaborationUses())
        c->addCollaborationUse(dynamic_cast<QUmlCollaborationUse *>(element->clone()));
    foreach (QUmlGeneralization *element, generalizations())
        c->addGeneralization(dynamic_cast<QUmlGeneralization *>(element->clone()));
    c->setAbstract(isAbstract());
    c->setFinalSpecialization(isFinalSpecialization());
    if (ownedTemplateSignature())
        c->setOwnedTemplateSignature(dynamic_cast<QUmlRedefinableTemplateSignature *>(ownedTemplateSignature()->clone()));
    foreach (QUmlUseCase *element, ownedUseCases())
        c->addOwnedUseCase(dynamic_cast<QUmlUseCase *>(element->clone()));
    foreach (QUmlGeneralizationSet *element, powertypeExtents())
        c->addPowertypeExtent(dynamic_cast<QUmlGeneralizationSet *>(element->clone()));
    foreach (QUmlClassifier *element, redefinedClassifiers())
        c->addRedefinedClassifier(dynamic_cast<QUmlClassifier *>(element->clone()));
    if (representation())
        c->setRepresentation(dynamic_cast<QUmlCollaborationUse *>(representation()->clone()));
    foreach (QUmlSubstitution *element, substitutions())
        c->addSubstitution(dynamic_cast<QUmlSubstitution *>(element->clone()));
    if (templateParameter())
        c->setTemplateParameter(dynamic_cast<QUmlClassifierTemplateParameter *>(templateParameter()->clone()));
    foreach (QUmlUseCase *element, useCases())
        c->addUseCase(dynamic_cast<QUmlUseCase *>(element->clone()));
    if (classifierBehavior())
        c->setClassifierBehavior(dynamic_cast<QUmlBehavior *>(classifierBehavior()->clone()));
    foreach (QUmlInterfaceRealization *element, interfaceRealizations())
        c->addInterfaceRealization(dynamic_cast<QUmlInterfaceRealization *>(element->clone()));
    foreach (QUmlBehavior *element, ownedBehaviors())
        c->addOwnedBehavior(dynamic_cast<QUmlBehavior *>(element->clone()));
    foreach (QUmlExtend *element, extends())
        c->addExtend(dynamic_cast<QUmlExtend *>(element->clone()));
    foreach (QUmlExtensionPoint *element, extensionPoints())
        c->addExtensionPoint(dynamic_cast<QUmlExtensionPoint *>(element->clone()));
    foreach (QUmlInclude *element, includes())
        c->addInclude(dynamic_cast<QUmlInclude *>(element->clone()));
    foreach (QUmlClassifier *element, subjects())
        c->addSubject(dynamic_cast<QUmlClassifier *>(element->clone()));
    return c;
}

// OWNED ATTRIBUTES

/*!
    References the Extend relationships owned by this use case.

    \sa addExtend(), removeExtend()

    \b {Subsetted property(ies):} QUmlNamespace::ownedMembers().

    \b {Opposite property(ies):} QUmlExtend::extension().
 */
const QSet<QUmlExtend *> QUmlUseCase::extends() const
{
    // This is a read-write association end

    return _extends;
}

/*!
    Adds \a extend to extends.

    \sa extends(), removeExtend()
 */
void QUmlUseCase::addExtend(QUmlExtend *extend)
{
    // This is a read-write association end

    if (!_extends.contains(extend)) {
        _extends.insert(extend);
        if (extend && extend->asQModelingObject() && this->asQModelingObject())
            QObject::connect(extend->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeExtend(QObject *)));
        extend->asQModelingObject()->setParent(this->asQModelingObject());

        // Adjust subsetted properties
        addOwnedMember(extend);

        // Adjust opposite properties
        if (extend) {
            extend->setExtension(this);
        }
    }
}

/*!
    Removes \a extend from extends.

    \sa extends(), addExtend()
 */
void QUmlUseCase::removeExtend(QUmlExtend *extend)
{
    // This is a read-write association end

    if (_extends.contains(extend)) {
        _extends.remove(extend);
        if (extend->asQModelingObject())
            extend->asQModelingObject()->setParent(0);

        // Adjust subsetted properties
        removeOwnedMember(extend);

        // Adjust opposite properties
        if (extend) {
            extend->setExtension(0);
        }
    }
}

/*!
    References the ExtensionPoints owned by the use case.

    \sa addExtensionPoint(), removeExtensionPoint()

    \b {Subsetted property(ies):} QUmlNamespace::ownedMembers().

    \b {Opposite property(ies):} QUmlExtensionPoint::useCase().
 */
const QSet<QUmlExtensionPoint *> QUmlUseCase::extensionPoints() const
{
    // This is a read-write association end

    return _extensionPoints;
}

/*!
    Adds \a extensionPoint to extensionPoints.

    \sa extensionPoints(), removeExtensionPoint()
 */
void QUmlUseCase::addExtensionPoint(QUmlExtensionPoint *extensionPoint)
{
    // This is a read-write association end

    if (!_extensionPoints.contains(extensionPoint)) {
        _extensionPoints.insert(extensionPoint);
        if (extensionPoint && extensionPoint->asQModelingObject() && this->asQModelingObject())
            QObject::connect(extensionPoint->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeExtensionPoint(QObject *)));
        extensionPoint->asQModelingObject()->setParent(this->asQModelingObject());

        // Adjust subsetted properties
        addOwnedMember(extensionPoint);

        // Adjust opposite properties
        if (extensionPoint) {
            extensionPoint->setUseCase(this);
        }
    }
}

/*!
    Removes \a extensionPoint from extensionPoints.

    \sa extensionPoints(), addExtensionPoint()
 */
void QUmlUseCase::removeExtensionPoint(QUmlExtensionPoint *extensionPoint)
{
    // This is a read-write association end

    if (_extensionPoints.contains(extensionPoint)) {
        _extensionPoints.remove(extensionPoint);
        if (extensionPoint->asQModelingObject())
            extensionPoint->asQModelingObject()->setParent(0);

        // Adjust subsetted properties
        removeOwnedMember(extensionPoint);

        // Adjust opposite properties
        if (extensionPoint) {
            extensionPoint->setUseCase(0);
        }
    }
}

/*!
    References the Include relationships owned by this use case.

    \sa addInclude(), removeInclude()

    \b {Subsetted property(ies):} QUmlNamespace::ownedMembers().

    \b {Opposite property(ies):} QUmlInclude::includingCase().
 */
const QSet<QUmlInclude *> QUmlUseCase::includes() const
{
    // This is a read-write association end

    return _includes;
}

/*!
    Adds \a include to includes.

    \sa includes(), removeInclude()
 */
void QUmlUseCase::addInclude(QUmlInclude *include)
{
    // This is a read-write association end

    if (!_includes.contains(include)) {
        _includes.insert(include);
        if (include && include->asQModelingObject() && this->asQModelingObject())
            QObject::connect(include->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeInclude(QObject *)));
        include->asQModelingObject()->setParent(this->asQModelingObject());

        // Adjust subsetted properties
        addOwnedMember(include);

        // Adjust opposite properties
        if (include) {
            include->setIncludingCase(this);
        }
    }
}

/*!
    Removes \a include from includes.

    \sa includes(), addInclude()
 */
void QUmlUseCase::removeInclude(QUmlInclude *include)
{
    // This is a read-write association end

    if (_includes.contains(include)) {
        _includes.remove(include);
        if (include->asQModelingObject())
            include->asQModelingObject()->setParent(0);

        // Adjust subsetted properties
        removeOwnedMember(include);

        // Adjust opposite properties
        if (include) {
            include->setIncludingCase(0);
        }
    }
}

/*!
    References the subjects to which this use case applies. The subject or its parts realize all the use cases that apply to this subject. Use cases need not be attached to any specific subject, however. The subject may, but need not, own the use cases that apply to it.

    \sa addSubject(), removeSubject()

    \b {Opposite property(ies):} QUmlClassifier::useCases().
 */
const QSet<QUmlClassifier *> QUmlUseCase::subjects() const
{
    // This is a read-write association end

    return _subjects;
}

/*!
    Adds \a subject to subjects.

    \sa subjects(), removeSubject()
 */
void QUmlUseCase::addSubject(QUmlClassifier *subject)
{
    // This is a read-write association end

    if (!_subjects.contains(subject)) {
        _subjects.insert(subject);
        if (subject && subject->asQModelingObject() && this->asQModelingObject())
            QObject::connect(subject->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeSubject(QObject *)));

        // Adjust opposite properties
        if (subject) {
            subject->addUseCase(this);
        }
    }
}

/*!
    Removes \a subject from subjects.

    \sa subjects(), addSubject()
 */
void QUmlUseCase::removeSubject(QUmlClassifier *subject)
{
    // This is a read-write association end

    if (_subjects.contains(subject)) {
        _subjects.remove(subject);

        // Adjust opposite properties
        if (subject) {
            subject->removeUseCase(this);
        }
    }
}

// OPERATIONS

/*!
    The query allIncludedUseCases() returns the transitive closure of all use cases (directly or indirectly) included by this use case.
 */
QSet<QUmlUseCase *> QUmlUseCase::allIncludedUseCases() const
{
    qWarning("QUmlUseCase::allIncludedUseCases(): to be implemented (operation)");

    return QSet<QUmlUseCase *> ();
}

QT_END_NAMESPACE