NodeView::NodeView( const QPointF& position, kiwi::core::Node * n)
: kiwi::view::NodeView( n )
{
assert( n );
n->setView( this );
setFlags(QGraphicsItem::ItemIsMovable);
setPos( position );
float nodeHeight = (nodeType()->inputs().size() + nodeType()->outputs().size()) * portsSpacing() + headerHeight();
_rect = QRectF( 0, 0, 150.0, nodeHeight );
int i = 0;
for( auto it = nodeType()->inputs().begin(); it != nodeType()->inputs().end(); ++it )
{
_inputs.push_back( new PortView(PortView::INPUT, this, i) );
_inputs[i]->setPos( QPointF( leftX(), inputsY() + i * portsSpacing() ) );
++i;
}
i = 0;
for( auto it = nodeType()->outputs().begin(); it != nodeType()->outputs().end(); ++it )
{
_outputs.push_back( new PortView(PortView::OUTPUT, this, i) );
_outputs[i]->setPos( QPointF( rightX(), outputsY() + i * portsSpacing() ) );
++i;
}
_dropShadow.setBlurRadius( 16 );
_dropShadow.setXOffset( 0.0 );
_dropShadow.setYOffset( 5.0 );
setGraphicsEffect( &_dropShadow );
}
double polint3(double x, int n, double *xa, double *ya)
{ int shift=leftX(n, xa, x);
double ar;
ar=polintN(x,3,xa+shift, ya+shift);
if(shift==0) return ar;
shift--;
return 0.5*( ar+ polintN(x,3,xa+shift, ya+shift));
}
void NodeView::mouseMoveEvent( QGraphicsSceneMouseEvent* event )
{
QGraphicsItem::mouseMoveEvent( event );
for(int i = 0; i < _inputs.size(); ++i)
{
if(_inputs[i]->state() != PortView::DRAG )
_inputs[i]->setPos( QPointF( leftX(), inputsY() + i * portsSpacing() ) );
}
for(int i = 0; i < _outputs.size(); ++i)
{
// update port positions
if(_outputs[i]->state() != PortView::DRAG )
_outputs[i]->setPos( QPointF( rightX(), outputsY() + i * portsSpacing() ) );
// update link positions
for(int j = 0; j < _outputs[i]->connections().size(); ++j )
{
_outputs[i]->connections()[j]->updatePos();
}
}
}