bfe_webjournal_article_title.py
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	#!/usr/bin/env python
	# -- coding: utf-8 --
	## This file is part of Invenio.
	## Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010 CERN.
	##
	## Invenio is free software; you can redistribute it and/or
	## modify it under the terms of the GNU General Public License as
	## published by the Free Software Foundation; either version 2 of the
	## License, or (at your option) any later version.
	##
	## Invenio is distributed in the hope that it will be useful, but
	## WITHOUT ANY WARRANTY; without even the implied warranty of
	## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
	## General Public License for more details.
	##
	## You should have received a copy of the GNU General Public License
	## along with Invenio; if not, write to the Free Software Foundation, Inc.,
	## 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
	"""
	WebJournal Element - display article title
	"""
	from invenio.webjournal_utils import parse_url_string
	def format_element(bfo):
	"""
	Display article title
	"""
	# Retrieve context (journal, issue and category) from URI
	args = parse_url_string(bfo.user_info['uri'])
	ln = args["ln"]

	if ln == "fr":
	title = bfo.fields('246_1a', escape=1)
	if len(title) == 0:
	title = bfo.fields('245__a', escape=1)
	else:
	title = bfo.fields('245__a', escape=1)
	if not title:
	title = bfo.fields('246_1a', escape=1)

	return ' '.join(title)

	def escape_values(bfo):
	"""
	Called by BibFormat in order to check if output of this element
	should be escaped.
	"""
	return 0