#  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-B license 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-B license as circulated by CEA, CNRS
# and INRIA at the following URL "http://www.cecill.info". 
# 
# As a counterpart to the access to the source code and  rights to copy,
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# economic rights,  and the successive licensors  have only  limited
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import os.path
import base64

from soma.wip.application.api import Application
from soma.translation import translate as _
from soma.httpupload import resourcemanager
from soma.tggui.api import TgGUI, TgUploadMultipleFiles
from soma.signature.tggui.unicode_tggui import Unicode_TgGUI, Sequence_Unicode_TgGUI
from soma.tggui import tools


uploaddirectory = resourcemanager.getDirectory( 'httpupload.dirbasefileoutput' )

#-------------------------------------------------------------------------------
class FileName_TgGUI( Unicode_TgGUI ):

  def editionWidget( self, value, window, parent=None, name=None, live=False ):
    TgGUI.editionWidget( self, value, window, parent, name, live )
    
    if self._widget is not None:
      raise RuntimeError( _( 'editionWidget() cannot be called twice without'\
                               'a call to closeEditionWidget()' ) )
    self._name = name
    self._live = live
    self._widget = TgUploadMultipleFiles( label = self._name )

    if value is not None:
      self.updateEditionWidget( self._widget, value )
    
    if live:
      self._widget.onAttributeChange( 'default', self._userModification )
    
    return self._widget

  def getPythonValue( self, editionWidget ):
    foundValue = self.dataTypeInstance.convert( unicode( editionWidget.default ) )
    filepath = os.path.join( uploaddirectory, base64.b64decode( foundValue ) )
    foundValue = Application().temporary.createSelfDestroyed( foundValue )
    return foundValue

#-------------------------------------------------------------------------------
class Sequence_FileName_TgGUI( FileName_TgGUI ):
  def setObject( self, editionWidget, object ):
    values = list()
    for value in Sequence_Unicode_TgGUI.valuesFromText( unicode( editionWidget.default ) ) :
      filepath = os.path.join( uploaddirectory, base64.b64decode( value ) )
      values.append( Application().temporary.createSelfDestroyed( filepath ) )
    object[:] = values

  def updateEditionWidget( self, editionWidget, value ):
    if self._live:
      editionWidget.startInternalModification()
      editionWidget.value = ' '.join( ["'" + i + "'" for i in value] )
      editionWidget.stopInternalModification()
    else:
      editionWidget.value = ' '.join( ["'" + i + "'" for i in value] )