void FPNode::setVisible( bool yes )
{
if ( isVisible() == yes ) return;
KtlQCanvasPolygon::setVisible(yes);
const FlowConnectorList::iterator inputEnd = m_inFlowConnList.end();
for ( FlowConnectorList::iterator it = m_inFlowConnList.begin(); it != inputEnd; ++it )
{
Connector *connector = *it;
if ( connector )
{
if ( isVisible() )
connector->setVisible ( true );
else
{
Node *node = connector->startNode();
connector->setVisible ( node && node->isVisible() );
}
}
}
Connector *connector = m_outputConnector;
if ( connector )
{
if ( isVisible() )
connector->setVisible ( true );
else
{
Node *node = connector->endNode();
connector->setVisible ( node && node->isVisible() );
}
}
}
bool FPNode::isConnected( Node *node, NodeList *checkedNodes )
{
if ( this == node )
return true;
bool firstNode = !checkedNodes;
if (firstNode)
checkedNodes = new NodeList();
else if ( checkedNodes->contains(this) )
return false;
checkedNodes->append(this);
const FlowConnectorList::const_iterator inputEnd = m_inFlowConnList.end();
for ( FlowConnectorList::const_iterator it = m_inFlowConnList.begin(); it != inputEnd; ++it )
{
Connector *connector = *it;
if (connector) {
Node *startNode = connector->startNode();
if ( startNode && startNode->isConnected( node, checkedNodes ) ) {
if (firstNode) {
delete checkedNodes;
}
return true;
}
}
}
Connector *connector = m_outputConnector;
if ( connector )
{
Node *endNode = connector->endNode();
if ( endNode && endNode->isConnected ( node, checkedNodes ) )
{
if ( firstNode )
{
delete checkedNodes;
}
return true;
}
}
if (firstNode) {
delete checkedNodes;
}
return false;
}
