NodulePtr StandardNodeGadget::addNodule( Gaffer::PlugPtr plug )
{
if( plug->getName().string().compare( 0, 2, "__" )==0 )
{
return 0;
}
NodulePtr nodule = Nodule::create( plug );
if( !nodule )
{
return 0;
}
if( plug->direction()==Gaffer::Plug::In )
{
inputNoduleContainer()->addChild( nodule );
}
else
{
outputNoduleContainer()->addChild( nodule );
}
m_nodules[plug.get()] = nodule.get();
return nodule;
}
void StandardNodule::connection( const DragDropEvent &event, Gaffer::PlugPtr &input, Gaffer::PlugPtr &output )
{
Gaffer::PlugPtr dropPlug = IECore::runTimeCast<Gaffer::Plug>( event.data );
if( dropPlug )
{
Gaffer::PlugPtr thisPlug = plug();
if( thisPlug->node() != dropPlug->node() && thisPlug->direction()!=dropPlug->direction() )
{
if( thisPlug->direction()==Gaffer::Plug::In )
{
input = thisPlug;
output = dropPlug;
}
else
{
input = dropPlug;
output = thisPlug;
}
if( input->acceptsInput( output.get() ) )
{
// success
return;
}
}
}
input = output = 0;
return;
}
void Dot::setup( const Plug *plug )
{
const Plug *originalPlug = plug;
if( const Plug *inputPlug = plug->getInput() )
{
// We'd prefer to set up based on an input plug if possible - see comments
// in DotNodeGadgetTest.testCustomNoduleTangentsPreferInputIfAvailable().
plug = inputPlug;
}
Gaffer::PlugPtr in = plug->createCounterpart( g_inPlugName, Plug::In );
Gaffer::PlugPtr out = plug->createCounterpart( g_outPlugName, Plug::Out );
MetadataAlgo::copyColors( originalPlug , in.get() , /* overwrite = */ false );
MetadataAlgo::copyColors( originalPlug , out.get() , /* overwrite = */ false );
in->setFlags( Plug::Serialisable, true );
out->setFlags( Plug::Serialisable, true );
// Set up Metadata so our plugs appear in the right place. We must do this now rather
// than later because the GraphEditor will add a Nodule for the plug as soon as the plug
// is added as a child.
ConstStringDataPtr sectionData;
for( const Plug *metadataPlug = plug; metadataPlug; metadataPlug = metadataPlug->parent<Plug>() )
{
if( ( sectionData = Metadata::value<StringData>( metadataPlug, g_sectionName ) ) )
{
break;
}
}
if( sectionData )
{
const std::string §ion = sectionData->readable();
std::string oppositeSection;
if( section == "left" )
{
oppositeSection = "right";
}
else if( section == "right" )
{
oppositeSection = "left";
}
else if( section == "bottom" )
{
oppositeSection = "top";
}
else
{
oppositeSection = "bottom";
}
Metadata::registerValue(
plug->direction() == Plug::In ? in.get() : out.get(),
g_sectionName, sectionData
);
Metadata::registerValue(
plug->direction() == Plug::In ? out.get() : in.get(),
g_sectionName, new StringData( oppositeSection )
);
}
setChild( g_inPlugName, in );
setChild( g_outPlugName, out );
out->setInput( in );
}
NodulePtr Nodule::create( Gaffer::PlugPtr plug )
{
IECore::ConstStringDataPtr noduleType = Gaffer::Metadata::plugValue<IECore::StringData>( plug.get(), "nodule:type" );
if( noduleType )
{
if( noduleType->readable() == "" )
{
return NULL;
}
const TypeNameCreatorMap &m = typeNameCreators();
TypeNameCreatorMap::const_iterator it = m.find( noduleType->readable() );
if( it != m.end() )
{
return it->second( plug );
}
else
{
IECore::msg( IECore::Msg::Warning, "Nodule::create", boost::format( "Nonexistent nodule type \"%s\" requested for plug \"%s\"" ) % noduleType->readable() % plug->fullName() );
}
}
const Gaffer::Node *node = plug->node();
if( node )
{
std::string plugPath = plug->relativeName( node );
const NamedCreatorMap &m = namedCreators();
IECore::TypeId t = node->typeId();
while( t!=IECore::InvalidTypeId )
{
NamedCreatorMap::const_iterator it = m.find( t );
if( it!=m.end() )
{
for( RegexAndCreatorVector::const_reverse_iterator nIt = it->second.rbegin(); nIt!=it->second.rend(); nIt++ )
{
if( boost::regex_match( plugPath, nIt->first ) )
{
return nIt->second( plug );
}
}
}
t = IECore::RunTimeTyped::baseTypeId( t );
}
}
const PlugCreatorMap &m = plugCreators();
IECore::TypeId t = plug->typeId();
while( t!=IECore::InvalidTypeId )
{
PlugCreatorMap::const_iterator it = m.find( t );
if( it!=m.end() )
{
return it->second( plug );
}
t = IECore::RunTimeTyped::baseTypeId( t );
}
return 0;
}