/****************************************************************************
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** Copyright (C) 2013 Sandro S. Andrade <sandroandrade@kde.org>
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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 "qumlexecutablenode.h"

#include <QtUml/QUmlActivity>
#include <QtUml/QUmlActivityEdge>
#include <QtUml/QUmlActivityGroup>
#include <QtUml/QUmlActivityPartition>
#include <QtUml/QUmlClassifier>
#include <QtUml/QUmlComment>
#include <QtUml/QUmlDependency>
#include <QtUml/QUmlElement>
#include <QtUml/QUmlExceptionHandler>
#include <QtUml/QUmlInterruptibleActivityRegion>
#include <QtUml/QUmlNamedElement>
#include <QtUml/QUmlNamespace>
#include <QtUml/QUmlPackage>
#include <QtUml/QUmlRedefinableElement>
#include <QtUml/QUmlStringExpression>
#include <QtUml/QUmlStructuredActivityNode>

QT_BEGIN_NAMESPACE

/*!
    \class QUmlExecutableNode

    \inmodule QtUml

    \brief An executable node is an abstract class for activity nodes that may be executed. It is used as an attachment point for exception handlers.An executable node is an abstract class for activity nodes that may be executed. It is used as an attachment point for exception handlers.

    \b {QUmlExecutableNode is an abstract class.}
 */

/*!
    Creates a new QUmlExecutableNode.
*/
QUmlExecutableNode::QUmlExecutableNode()
{
}

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

/*!
    Returns a deep-copied clone of the QUmlExecutableNode.
*/
QModelingElement *QUmlExecutableNode::clone() const
{
    QUmlExecutableNode *c = new QUmlExecutableNode;
    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());
    c->setLeaf(isLeaf());
    foreach (QUmlExceptionHandler *element, handlers())
        c->addHandler(dynamic_cast<QUmlExceptionHandler *>(element->clone()));
    return c;
}

// OWNED ATTRIBUTES

/*!
    A set of exception handlers that are examined if an uncaught exception propagates to the outer level of the executable node.

    \sa addHandler(), removeHandler()

    \b {Subsetted property(ies):} QUmlElement::ownedElements().

    \b {Opposite property(ies):} QUmlExceptionHandler::protectedNode().
 */
const QSet<QUmlExceptionHandler *> QUmlExecutableNode::handlers() const
{
    // This is a read-write association end

    return _handlers;
}

/*!
    Adds \a handler to handlers.

    \sa handlers(), removeHandler()
 */
void QUmlExecutableNode::addHandler(QUmlExceptionHandler *handler)
{
    // This is a read-write association end

    if (!_handlers.contains(handler)) {
        _handlers.insert(handler);
        if (handler && handler->asQModelingObject() && this->asQModelingObject())
            QObject::connect(handler->asQModelingObject(), SIGNAL(destroyed(QObject*)), this->asQModelingObject(), SLOT(removeHandler(QObject *)));
        handler->asQModelingObject()->setParent(this->asQModelingObject());

        // Adjust subsetted properties
        addOwnedElement(handler);

        // Adjust opposite properties
        if (handler) {
            handler->setProtectedNode(this);
        }
    }
}

/*!
    Removes \a handler from handlers.

    \sa handlers(), addHandler()
 */
void QUmlExecutableNode::removeHandler(QUmlExceptionHandler *handler)
{
    // This is a read-write association end

    if (_handlers.contains(handler)) {
        _handlers.remove(handler);
        if (handler->asQModelingObject())
            handler->asQModelingObject()->setParent(0);

        // Adjust subsetted properties
        removeOwnedElement(handler);

        // Adjust opposite properties
        if (handler) {
            handler->setProtectedNode(0);
        }
    }
}

QT_END_NAMESPACE