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###############################################################################
#
# This file is part of the Utopia Documents application.
# Copyright (c) 2008-2014 Lost Island Labs
# <info@utopiadocs.com>
#
# Utopia Documents is free software: you can redistribute it and/or modify
# it under the terms of the GNU GENERAL PUBLIC LICENSE VERSION 3 as
# published by the Free Software Foundation.
#
# Utopia Documents 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.
#
# In addition, as a special exception, the copyright holders give
# permission to link the code of portions of this program with the OpenSSL
# library under certain conditions as described in each individual source
# file, and distribute linked combinations including the two.
#
# You must obey the GNU General Public License in all respects for all of
# the code used other than OpenSSL. If you modify file(s) with this
# exception, you may extend this exception to your version of the file(s),
# but you are not obligated to do so. If you do not wish to do so, delete
# this exception statement from your version.
#
# You should have received a copy of the GNU General Public License
# along with Utopia Documents. If not, see <http://www.gnu.org/licenses/>
#
###############################################################################
#? name: CrossRef
#? www: http://www.crossref.org/
#? urls: http://data.crossref.org/
import common.utils
import json
import re
import socket
import spineapi
import utopia.document
import urllib2
import logging
import cgi
logger = logging.getLogger(__name__)
#logger.setLevel(logging.DEBUG)
class _CiteProc(utopia.document.Annotator, utopia.document.Visualiser):
"""Generate CiteProc information"""
crossRefUrl = 'http://data.crossref.org/'
stylesUrl = 'http://data.crossref.org/styles'
localesUrl = 'http://data.crossref.org/locales'
priorityStyles = ["apa","bibtex","chicago-fullnote-bibliography","harvard3","ieee","mla","vancouver"]
defaultStyle = 'apa'
defaultLocale = 'en-GB'
loadingMsg = 'Fetching...'
'''def generateCitation(self, style, locale):
text = ''
if doi is not None:
finalUrl = self.crossRefUrl.format(doi)
request = urllib2.Request(finalUrl, None, { 'Accept' : 'text/bibliography;style={0};locale={1}'.format(style, locale) })
text = urllib2.urlopen(request, timeout=8).read()
logger.debug('Data returned from citeproc:{0}'.format(text))
else:
logger.warn('no doi found in citeproc')
return text'''
def on_ready_event(self, document):
logger.debug('calling citeproc populate')
doi = common.utils.metadata(document, 'doi')
crossref_unixref = common.utils.metadata(document, 'raw_crossref_unixref')
# Only bother for those documents that returned a crossref document
if doi is not None and crossref_unixref is not None:
#load styles and locales here
stylesJson = urllib2.urlopen(self.stylesUrl, timeout=8).read()
logger.debug(stylesJson)
localesJson = urllib2.urlopen(self.localesUrl, timeout=8).read()
logger.debug(localesJson)
a = spineapi.Annotation()
a['concept'] = 'CiteProc'
a['property:doi'] = doi
a['property:text'] = self.loadingMsg
a['property:styles'] = stylesJson
a['property:locales'] = localesJson
a['property:name'] = 'CrossRef'
a['property:description'] = 'Formatted citation for this article'
a['property:sourceDatabase'] = 'crossref'
a['property:sourceDescription'] = '<p><a href="http://www.crossref.org/">CrossRef</a> is the official DOI link registration agency for scholarly and professional publications.</p>'
a['session:weight'] = '10'
a['session:default'] = '1'
document.addAnnotation(a)
def visualisable(self, a):
return a.get('concept') == 'CiteProc' and 'property:doi' in a
def visualise(self, a):
logger.debug('in citeproc visualise method')
list = []
doi = a.get('property:doi')
#build javascript here
script = '''
<script>
var utopia_citeproc = {{
generateCitation:
function (element, doi) {{
var citation = $(element).closest('#citeproc');
var loading = citation.find('.box .loading').first();
var output = citation.find('.box .output').first();
var style = $('.citation_style', citation).val();
var locale = $('.citation_locale', citation).val();
output.text('{1}');
$.ajax({{
url: '{0}' + doi,
beforeSend: function (jqXHR) {{
// HACK to fix crossref's broken(?) server
if (style == 'bibtex') {{
jqXHR.setRequestHeader('Accept', 'text/bibliography;style='+style+';locale='+locale);
}} else {{
jqXHR.setRequestHeader('Accept', 'text/bibliography;style='+style+';format=html;locale='+locale);
}}
}},
complete: function (jqXHR) {{
html = jqXHR.responseText;
if (style == 'bibtex') {{
html = '<pre>' + html + '</pre>';
}}
output.html(html);
}}
}});
}}
}};
</script>
'''.format(self.crossRefUrl, self.loadingMsg)
logger.debug('script is: {0}'.format(script))
# Build html here
text = a.get('property:text')
html = '''
<style>
#citeproc select.citation_style {
float: none;
display: inline;
width: 70%;
}
#citeproc select.citation_locale {
float: left;
width: 30%;
display: none;
}
#citeproc {
text-align: right;
}
#citeproc .box {
text-align: left;
}
</style>
'''
html += '<div id="citeproc" onload="utopia_citeproc.generateCitation(this, \'{0}\')">'.format(doi)
html += '<div class="box"><div class="output">{0}</div></div>'.format(cgi.escape(text, quote=True).encode('ascii', 'xmlcharrefreplace'))
html += '<select class="citation_style" onchange="utopia_citeproc.generateCitation(this, \'{0}\')">'.format(doi)
for style in self.priorityStyles:
logger.debug('style: {0}'.format(style))
if style == self.defaultStyle:
selected = 'selected="selected"'
else:
selected = ''
html += '<option value="{0}" {1}>{0}</option>'.format(style, selected)
html += '</select><select class="citation_locale" onchange="utopia_citeproc.generateCitation(this, \'{0}\')">'.format(doi)
for locale in json.loads(a.get('property:locales')):
logger.debug('locale: {0}'.format(locale))
if locale == self.defaultLocale:
selected = 'selected="selected"'
else:
selected = ''
html += '<option value="{0}" {1}>{0}</option>'.format(locale, selected)
html += '</select>'
html += '</div>'
logger.debug('html is: {0}'.format(html))
init = '''
<script>
$('#citeproc').each(function () {{
utopia_citeproc.generateCitation(this, '{0}');
}});
</script>
'''.format(doi)
logger.debug('init is: {0}'.format(init))
list.append(script)
list.append(html)
list.append(init)
return list
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