/****************************************************************************
**
** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of the examples of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:BSD$
** You may use this file under the terms of the BSD license as follows:
**
** "Redistribution and use in source and binary forms, with or without
** modification, are permitted provided that the following conditions are
** met:
**   * Redistributions of source code must retain the above copyright
**     notice, this list of conditions and the following disclaimer.
**   * Redistributions in binary form must reproduce the above copyright
**     notice, this list of conditions and the following disclaimer in
**     the documentation and/or other materials provided with the
**     distribution.
**   * Neither the name of Nokia Corporation and its Subsidiary(-ies) nor
**     the names of its contributors may be used to endorse or promote
**     products derived from this software without specific prior written
**     permission.
**
** THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
** "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
** LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
** A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
** OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
** SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
** LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
** OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE."
** $QT_END_LICENSE$
**
****************************************************************************/

#ifndef NODE_H
#define NODE_H

#include <QGraphicsItem>
#include <stdint.h>
#include <QList>
#include "stub/my-commmodel.h"
#include <stdlib.h>

class Edge;
class GraphWidget;
QT_BEGIN_NAMESPACE
class QGraphicsSceneMouseEvent;
QT_END_NAMESPACE

/**
 Graphical representation of a model node
 */
class Node : public QGraphicsItem
{
public:
    Node(GraphWidget *graphWidget, bool _center, uint32_t _ip_addr, node* _node);

    void addEdge(Edge *edge);
    QList<Edge *> edges() const;

    enum { Type = UserType + 1 }; /** the user type */
    int type() const { return Type; }

    void calculateForces(bool doPhysics);
    bool advance();

    QRectF boundingRect() const;
    QPainterPath shape() const;
    void paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget);

    uint32_t getIpAddr() const;

    QString getIpAddrQString() const;

    bool isActive() const;
    void setInactive();
    void setActive();
    QPointF getPosition();
    node* getNodePointer();

    void settPosition(QPointF * np);

    /**
     compares two mac addresses
     @return true if they're equl
     */
    static bool macEqual(mac_t m1, mac_t m2)
    {
        for(int i = 0; i < 6; i++)
        {
            if(m1.addr[i] != m2.addr[i])
                return false;
        }
        return true;
    }


protected:
    QVariant itemChange(GraphicsItemChange change, const QVariant &value);

    void mousePressEvent(QGraphicsSceneMouseEvent *event);
    void mouseReleaseEvent(QGraphicsSceneMouseEvent *event);


private:
    QList<Edge *> edgeList; /** a list of all the edges */
    QPointF newPos; /** the new positon for the next refresh */
    GraphWidget *graph; /** reference to the containing graph widget */
    bool center; /** the center of this nodes location */
    QString ip_addr_string; /** the ip address of the model node as a string */
    uint32_t ip_addr; /** the ip address of the model node */
    bool active; /** true if this node is active */
    node * myNode; /** the model node that is being represented */
};

#endif