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bfe_plots.py
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# -*- coding: utf-8 -*-
##
## $Id: bfe_CERN_plots.py,v 1.3 2009/03/17 10:55:15 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.
"""BibFormat element - Display image of the plot if we are in selected plots collection
"""
__revision__ = "$Id: bfe_CERN_plots.py,v 1.3 2009/03/17 10:55:15 jerome Exp $"
from invenio.bibdocfile import BibRecDocs
from invenio.urlutils import create_html_link
from invenio.config import CFG_SITE_URL
def format_element(bfo, width="", caption="yes", max="-1"):
"""
Display image of the plot if we are in selected plots collections
@param width: the width of the returned image (Eg: '100px')
@param separator: a separator between images
@param caption: display the captions or not?
@param max: the maximum number of plots to display (-1 is all plots)
"""
## To achieve this, we take the pngs associated with this document
img_files = []
max = int(max)
bibarchive = BibRecDocs(bfo.recID)
if width != "":
width = 'width="%s"' % width
for doc in bibarchive.list_bibdocs():
for _file in doc.list_latest_files():
if _file.get_type() == "Plot":
try:
caption_text = _file.get_description()[5:]
index = int(_file.get_description()[:5])
img_location = _file.get_url()
except:
# FIXME: we have hit probably a plot context file,
# so ignore this document; but it would be safer
# to check subformat type, so that we don't mask
# other eventual errors here.
continue
img = '<img src="%s" title="%s" %s/>' % \
(img_location, caption_text, width)
link = create_html_link(urlbase='%s/record/%s/plots#%d' %
(CFG_SITE_URL, bfo.recID,\
index),
urlargd={},
link_label=img)
img_files.append((index, link))
img_files = sorted(img_files, key=lambda x: x[0])
if max > 0:
img_files = img_files[:max]
for index in range(len(img_files)):
img_files[index] = img_files[index][1]
if len(img_files) == 0:
return ''
return '<div style="overflow-x:scroll;width=100%;white-space:nowrap">' +\
" ".join(img_files) + '</div>'
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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