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#include "node.h"

#include "stickman.h"

#include <QRectF>

#include <QPainter>

#include <QGraphicsSceneMouseEvent>

Node::Node(const QPointF &pos, QGraphicsItem *parent)

  : QGraphicsObject(parent), m_dragging(false)

{

    setPos(pos);

    setFlag(QGraphicsItem::ItemSendsGeometryChanges);

}

Node::~Node()

{

}

QRectF Node::boundingRect() const

{

    return QRectF(-6.0, -6.0, 12.0, 12.0);

}

void Node::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)

{    

    painter->setPen(Qt::white);

    painter->drawEllipse(QPointF(0.0, 0.0), 5.0, 5.0);

}

QVariant Node::itemChange(GraphicsItemChange change, const QVariant &value)

{

    if (change == QGraphicsItem::ItemPositionChange)

        emit positionChanged();

    return QGraphicsObject::itemChange(change, value);

}

void Node::mousePressEvent(QGraphicsSceneMouseEvent *)

{

    m_dragging = true;

}

void Node::mouseMoveEvent(QGraphicsSceneMouseEvent *event)

{

    if (m_dragging)

        setPos(mapToParent(event->pos()));    

}

void Node::mouseReleaseEvent(QGraphicsSceneMouseEvent *)

{

    m_dragging = false;

}