/*!\func
* calc size
* \params no
* \return no
*/
void EdgeAssotiation::adjust()
{
if (!sourceNode() || !destNode())
return;
prepareGeometryChange();
sourcePoint = sourceNode()->pos() + QPointF(sourceNode()->boundingRect().width()/2, sourceNode()->boundingRect().height()/2);
destPoint = destNode()->pos() + QPointF(destNode()->boundingRect().width()/2, destNode()->boundingRect().height()/2);
middlePoint = QPointF(destPoint.x(),sourcePoint.y());
}
/*!\func
* draw edge
* \params no
* \return no
*/
void EdgeAssotiation::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
if (!sourceNode() || !destNode())
return;
QColor color (Qt::black);
switch (getState()) {
case OFF:
color = Qt::gray;
break;
case OK:
color = Qt::green;
break;
case WARNING:
default:
color = Qt::red;
}
painter->setPen(QPen(color, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
float width = destNode()->boundingRect().width();
float height = destNode()->boundingRect().height();
QRectF rect(destNode()->pos().x() , destNode()->pos().y(), width, height);
width = sourceNode()->boundingRect().width();
height = sourceNode()->boundingRect().height();
QRectF rects(sourceNode()->pos().x(), sourceNode()->pos().y(), width, height);
painter->setBrush(color);
painter->drawLine(destPoint, middlePoint);
painter->drawLine(middlePoint, sourcePoint);
painter->setPen(Qt::SolidLine);
if(rect.contains(middlePoint))
{//arrow enter in node by left or right
int sign = destPoint.x() > sourcePoint.x() ? 1 : -1;
//QMessageBox::information(0,"","arrow enter in node by left or right");
QPointF destArrowP1 = QPointF(middlePoint.x() - sign*rect.width()/2, middlePoint.y());
QPointF destArrowP2 = QPointF(middlePoint.x() - sign*(rect.width()/2 + arrowSize), middlePoint.y()-arrowSize/2);
QPointF destArrowP3 = QPointF(middlePoint.x() - sign*(rect.width()/2 + arrowSize), middlePoint.y()+arrowSize/2);
painter->setBrush(color);
painter->drawPolygon(QPolygonF() << destArrowP3 << destArrowP1 << destArrowP2);
}
else
{//arrow enter in node by top or bottom
int sign = destPoint.y() > sourcePoint.y() ? 1 : -1;
//QMessageBox::information(0,"","arrow enter in node by left or right");
QPointF destArrowP1 = QPointF(destPoint.x(), destPoint.y()-sign*rect.height()/2);
QPointF destArrowP2 = QPointF(destPoint.x()-arrowSize/2, destPoint.y() - sign*(rect.height()/2 + arrowSize));
QPointF destArrowP3 = QPointF(destPoint.x()+arrowSize/2, destPoint.y() - sign*(rect.height()/2 + arrowSize));
painter->setBrush(color);
painter->drawPolygon(QPolygonF() << destArrowP3 << destArrowP1 << destArrowP2);
}
if(rects.contains(middlePoint))
name->setPos((sourcePoint + destPoint)/2);
else
{
if(sourcePoint.x() < destPoint.x())
name->setPos(sourcePoint + QPointF(sourceNode()->boundingRect().width()/2,-name->boundingRect().height()));
else
name->setPos(sourcePoint + QPointF(-name->boundingRect().width()-sourceNode()->boundingRect().width()/2,-name->boundingRect().height()));
}
}
/*! \func
* figure
* \param no
* \return no
*/
QPainterPath Edge::shape() const
{
QPainterPath path;
path.moveTo(destNode()->pos() + QPointF(2,2));
path.lineTo(sourceNode()->pos() + QPointF(2,2));
path.lineTo(sourceNode()->pos() + QPointF(-2,-2));
path.lineTo(destNode()->pos() + QPointF(-2,-2));
return path;
}
GraphicEdge::~GraphicEdge()
{
MainWindow* mw = dynamic_cast<MainWindow*>(graph->parent());
mw->net->remove_edge(net_edge);
sourceNode()->removeEdge(this);
destNode()->removeEdge(this);
}
void Edge2d::adjust()
{
if (!source || !dest)
return;
QLineF line(mapFromItem(source, sourceNode()->getRadius(), sourceNode()->getRadius()),
mapFromItem(dest, destNode()->getRadius(), destNode()->getRadius()));
//line centre source à centre dest
qreal length = line.length();
prepareGeometryChange();
//cas ou les 2 nodes se chevauchent, on n'afficher pas l'edge
if (length > qreal(sourceNode()->getRadius() + destNode()->getRadius())) {
// QPointF edgeOffsetSource((line.dx() * sqrt(2) * sourceNode()->getRadius()*2) / length, (line.dy() * 12) / length);
//QPointF edgeOffsetDest((line.dx() * 25) / length, (line.dy() * 25) / length);
sourcePoint = line.p1();// + edgeOffsetSource;
destPoint = line.p2();// - edgeOffsetDest;
} else {
sourcePoint = destPoint = line.p1();
}
}
/*! \func
* rect
* \params no
* \return no
*/
QRectF EdgeAssotiation::boundingRect() const
{
if (!sourceNode() || !destNode())
return QRectF();
if(sourcePoint == destPoint)
{
return QRectF(destPoint.x() - 28, destPoint.y() - 28, 30, 30);
}
QPointF leftTop(qMin(sourcePoint.x(), destPoint.x())-arrowSize, qMin(sourcePoint.y(), destPoint.y())-arrowSize);
QSizeF size(abs(sourcePoint.x() - destPoint.x())+2*arrowSize, abs(sourcePoint.y() - destPoint.y())+2*arrowSize);
return QRectF(leftTop, size);
}
/*! \func
* draw all
* \param
* - painter - painter device
* \return no
*/
void Edge::paint(QPainter *painter, const QStyleOptionGraphicsItem *, QWidget *)
{
static const double Pi = 3.14159265358979323846264338327950288419717;
static double TwoPi = 2.0 * Pi;
if (!source || !dest)
return;
QColor color (Qt::black);
switch (state) {
case OFF:
color = Qt::gray;
break;
case OK:
color = Qt::green;
break;
case WARNING:
default:
color = Qt::red;
}
// Draw the line itself
if(sourceNode()->getId() == destNode()->getId())
{
painter->setPen(QPen(color, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
painter->drawEllipse(destPoint.x() - 28, destPoint.y() - 28, 30, 30);
painter->setPen(Qt::black);
//painter->drawText(destPoint+QPoint(-28,-14), name);
}
else
{
QLineF line(sourcePoint, destPoint);
painter->setPen(QPen(color, 1, Qt::SolidLine, Qt::RoundCap, Qt::RoundJoin));
painter->drawLine(line);
// Draw the arrows if there's enough room
double angle = ::acos(line.dx() / line.length());
if (line.dy() >= 0)
angle = TwoPi - angle;
QPointF destArrowP1 = destPoint + QPointF(sin(angle - Pi / 3) * arrowSize,
cos(angle - Pi / 3) * arrowSize);
QPointF destArrowP2 = destPoint + QPointF(sin(angle - Pi + Pi / 3) * arrowSize,
cos(angle - Pi + Pi / 3) * arrowSize);
QPointF destArrowP3 = destPoint + QPointF(sin(angle + Pi / 2) * arrowSize,
cos(angle + Pi / 2) * arrowSize);
painter->setBrush(color);
painter->drawPolygon(QPolygonF() << destArrowP3 << destArrowP1 << destArrowP2);
painter->setPen(Qt::black);
//painter->drawText((destPoint + sourcePoint)/2, name);
name->setPos((destPoint + sourcePoint)/2);
}
}
status_t copy_attributes(const entry_ref& source, const entry_ref& dest)
{
status_t err;
unsigned char* buffer;
buffer = new unsigned char[BUFFERLEN];
BNode srcNode(&source);
if ((err = srcNode.InitCheck()) != B_NO_ERROR)
return err;
BNode destNode(&dest);
if ((err = destNode.InitCheck()) != B_NO_ERROR)
return err;
char attrName[B_ATTR_NAME_LENGTH];
srcNode.RewindAttrs();
while ((err = srcNode.GetNextAttrName(attrName)) == B_NO_ERROR) {
attr_info info;
if ((err = srcNode.GetAttrInfo(attrName, &info)) != B_NO_ERROR)
return err;
ssize_t nRead;
off_t offset = 0;
while ((offset < info.size) && ((nRead = srcNode.ReadAttr(attrName, info.type, offset, buffer, BUFFERLEN)) > 0)) {
err = destNode.WriteAttr(attrName, info.type, offset, buffer, nRead);
if (err < 0)
return err;
offset += nRead;
}
}
delete buffer;
return B_OK;
}
//! remove
void Edge::Remove()
{
hide();
sourceNode()->delEdge(this);
destNode()->delEdge(this);
}
