bool ValuePlug::settable() const
{
if( getFlags( ReadOnly ) )
{
return false;
}
if( getInput<Plug>() )
{
return false;
}
if( const Process *process = Process::current() )
{
return process->type() == ComputeProcess::staticType && process->plug() == this;
}
else
{
if( direction() != Plug::In )
{
return false;
}
for( PlugIterator it( this ); !it.done(); ++it )
{
ValuePlug *valuePlug = IECore::runTimeCast<ValuePlug>( it->get() );
if( !valuePlug || !valuePlug->settable() )
{
return false;
}
}
return true;
}
}
bool CompoundPlug::settable() const
{
ChildContainer::const_iterator it, eIt;
for( it=children().begin(), eIt=children().end(); it!=eIt; ++it )
{
ValuePlug *valuePlug = IECore::runTimeCast<ValuePlug>( it->get() );
if( !valuePlug || !valuePlug->settable() )
{
return false;
}
}
return true;
}