# -*- coding: utf-8 -*-
#  This software and supporting documentation are distributed by
#      Institut Federatif de Recherche 49
#      CEA/NeuroSpin, Batiment 145,
#      91191 Gif-sur-Yvette cedex
#      France
#
# This software is governed by the CeCILL license version 2 under
# French law and abiding by the rules of distribution of free software.
# You can  use, modify and/or redistribute the software under the 
# terms of the CeCILL license version 2 as circulated by CEA, CNRS
# and INRIA at the following URL "http://www.cecill.info". 
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from brainvisa.processes import *
import shfjGlobals
from brainvisa import anatomist

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

def validation():
    anatomist.validation()

signature = Signature(
    'graph', ReadDiskItem( 'Data Graph', 'Graph' ),
    'nomenclature', ReadDiskItem( 'Nomenclature', 'Hierarchy' ), 
    'anatomy', ReadDiskItem( 'T1 MRI', shfjGlobals.anatomistVolumeFormats ),
    'meshes', ListOf( ReadDiskItem( 'Mesh',
                                    shfjGlobals.anatomistMeshFormats ) ),
    'head_mesh', ReadDiskItem( 'Head mesh', 
                               shfjGlobals.anatomistMeshFormats ), 
    )

def initialization( self ):
    def change_meshes( self, proc ):
#yann#  print 'change_meshes', self
        meshes = []
        m = ReadDiskItem( 'Hemisphere mesh', 
                          shfjGlobals.anatomistMeshFormats ). \
                          findValue( self.graph )
        if m is not None:
            meshes.append( m )
        return meshes

    self.setOptional( 'nomenclature' )
    self.setOptional( 'anatomy' )
    self.setOptional( 'meshes' )
    self.setOptional( 'head_mesh' )
    self.linkParameters( 'anatomy', 'graph' )
    self.nomenclature = self.signature[ 'nomenclature' ].findValue( {} )
    self.linkParameters( 'head_mesh', 'graph' )
    self.linkParameters( 'meshes', 'graph', change_meshes )

def execution( self, context ):
    a = anatomist.Anatomist()
    selfdestroy = []
    obj = []
    if self.nomenclature is not None:
        ( hie, br ) = context.runProcess( 'AnatomistShowNomenclature',
                                          read=self.nomenclature )
        selfdestroy += ( hie, br )
    obj.append( a.loadObject( self.graph ) )
    if self.anatomy is not None:
        obj.append( a.loadObject( self.anatomy ) )
    if self.meshes is not None:
        msh = map( lambda x: a.loadObject( x ), self.meshes )
        obj += msh
    if self.head_mesh is not None:
        hd = a.loadObject( self.head_mesh )
        obj.append( hd )
        hd.setMaterial( a.Material(diffuse = [1, 0.85, 0.5, 0.5]) )
    win3 = a.createWindow( '3D' )
    win3.addObjects( obj, add_graph_nodes=True )
    selfdestroy.append( win3 )

    return selfdestroy + obj