#  This software and supporting documentation are distributed by
#      Institut Federatif de Recherche 49
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from brainvisa.processes import *
from brainvisa import anatomist

name = 'Anatomist Show Nomenclature'
roles = ('viewer',)
userLevel = 0

def validation():
    anatomist.validation()
  
signature = Signature(
  'read', ReadDiskItem( 'Nomenclature', [ 'Hierarchy' ] ),
  'use_existing_browser', Boolean(),
)


def initialization( self ):
  self.use_existing_browser = True


def execution( self, context ):
    a = anatomist.Anatomist()
    bro = None
    hie = a.loadObject( self.read )
    if self.use_existing_browser:
      wins = hie.getWindows()
      for w in wins:
        wi = w.getInfos()
        if wi.get( 'windowType' ) == 'Browser':
          bro = w
    if bro is None:
      bro = a.createWindow( 'Browser' )
      bro.addObjects( [hie] )
    return ( hie, bro )