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R3600/modules/webjournal/lib/elements/bfe_webjournal_sub_navigation.py
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bfe_webjournal_sub_navigation.py
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# -*- coding: utf-8 -*-
## $Id: bfe_webjournal_CERNBulletinSubNavigation.py,v 1.13 2009/02/12 10:00:57 jerome Exp $
##
## 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 - Displays vertical subnavigation menu in detailed
article pages.
"""
from invenio.bibformat_engine import BibFormatObject
from invenio.messages import gettext_set_language
from invenio.webjournal_utils import \
parse_url_string, \
make_journal_url, \
get_journal_articles,\
get_journal_categories
def format_element(bfo, new_articles_first='yes',
subject_to_css_class_kb="WebJournalSubject2CSSClass",
display_all_category_articles='no'):
"""
Creates a navigation for articles in the same issue and category.
@param new_articles_first: if 'yes', display new articles before other articles
@param subject_to_css_class_kb: knowledge base that maps 595__a to a CSS class
@param display_all_category_articles: if yes, display all articles, whatever category is selected
"""
# get variables
args = parse_url_string(bfo.user_info['uri'])
this_recid = bfo.control_field('001')
this_issue_number = args["issue"]
category_name = args["category"]
journal_name = args["journal_name"]
ln = args["ln"]
_ = gettext_set_language(ln)
this_title = ""
if ln == "fr":
if bfo.fields('246_1a'):
this_title = bfo.fields('246_1a')[0]
elif bfo.fields('245__a'):
this_title = bfo.fields('245__a')[0]
else:
if bfo.fields('245__a'):
this_title = bfo.fields('245__a')[0]
elif bfo.fields('246_1a'):
this_title = bfo.fields('246_1a')[0]
journal_categories = [category_name]
if display_all_category_articles.lower() == 'yes':
# Let's retrieve all categories. Ok, we are not supposed to do
# that with that element, but if journal editor wants...
journal_categories = get_journal_categories(journal_name,
this_issue_number)
menu_out = ''
for category in journal_categories:
ordered_articles = get_journal_articles(journal_name,
this_issue_number,
category,
newest_first=new_articles_first.lower() == 'yes')
new_articles_only = False
if ordered_articles.keys() and max(ordered_articles.keys()) < 0:
# If there are only new articles, don't bother marking them as
# new
new_articles_only = True
menu_out += '<div class="subNavigationMenu">'
order_numbers = ordered_articles.keys()
order_numbers.sort()
for order_number in order_numbers:
for article_id in ordered_articles[order_number]:
# A record is considered as new if its position is
# negative and there are some non-new articles
article_is_new = (order_number < 0 and not new_articles_only)
if str(article_id) == this_recid:
# Mark as active
# Get CSS class (if relevant)
notes = bfo.fields('595__a')
css_classes = [bfo.kb(subject_to_css_class_kb, note, None) \
for note in notes]
css_classes = [css_class for css_class in css_classes \
if css_class is not None]
if article_is_new:
css_classes.append('new')
menu_out += '''<div class="active">
<div class="subNavigationMenuItem %s">%s</div></div>''' % \
(' '.join(css_classes),
this_title)
else:
temp_rec = BibFormatObject(article_id)
title = ''
if ln == "fr":
title = temp_rec.field('246_1a')
if title == '':
title = temp_rec.field('245__a')
else:
title = temp_rec.field('245__a')
if title == '':
title = temp_rec.field('246_1a')
# Get CSS class (if relevant)
notes = temp_rec.fields('595__a')
css_classes = [temp_rec.kb(subject_to_css_class_kb, note, None) \
for note in notes]
css_classes = [css_class for css_class in css_classes \
if css_class is not None]
if article_is_new:
css_classes.append('new')
menu_out += '''<div class="subNavigationMenuItem %s">
<a href="%s">%s</a></div>
''' % (' '.join(css_classes),
make_journal_url(bfo.user_info['uri'],
{'recid': article_id,
'ln': bfo.lang,
'category': category}),
title)
menu_out += '</div>'
return menu_out
def escape_values(bfo):
"""
Called by BibFormat in order to check if output of this element
should be escaped.
"""
return 0
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