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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/>
#
###############################################################################
import re
import spineapi
import utopia.document
import cgi
import itertools
import collections
class OutlineBuilder(utopia.document.Annotator):
"""Build outline navigator"""
def on_load_event(self, document):
outline={}
for a in document.annotations():
if a.get('concept') == 'OutlineItem':
outline[tuple([int(x) for x in a.get('property:outlinePosition').split('.')])]=a
if len(outline):
# html='<div><style media="screen" type="text/css">ul { list-style-type: none; }</style><ul>'
html='<div><ul>'
plen=1
for item in (sorted(outline.keys())):
if len(item) > plen:
html+='<ul><li>'
elif len(item) < plen:
html+='</li></ul></li><li>'
else:
html+='</li><li>'
plen=len(item)
html += '<a href="#" title="{0}" target="pdf; anchor={0}">{1}</a>'.format(outline[item].get('property:destinationAnchorName'), cgi.escape(outline[item].get('property:outlineTitle'), quote=True).encode('ascii', 'xmlcharrefreplace'),)
html+="</ul></div>"
a = spineapi.Annotation()
a['concept'] = 'Collated'
a['property:name'] = 'Outline'
a['property:description'] = 'Document Structure'
a['session:weight'] = '10000'
a['property:html'] = html
document.addAnnotation(a)
class HyperlinkTooltipFactory(utopia.document.Annotator):
"""Create tooltips for known hyperlinks"""
def on_filter_event(self, document, data = None):
for annotation in document.annotations():
if annotation.get('concept') in ['Hyperlink', 'WebPage'] and 'displayTooltip' not in annotation and 'property:webpageUrl' in annotation:
if annotation['property:webpageUrl'].startswith("mailto:"):
annotation['displayTooltip'] = '<span>Email:</span><br/> <strong>%s</strong>' % annotation['property:webpageUrl'][7:]
elif annotation['property:webpageUrl'].startswith("#"):
annotation['displayTooltip'] = '<span>Internal Link to:</span><br/> <strong>%s</strong>' % annotation['property:destinationAnchorName']
else:
annotation['displayTooltip'] = '<span>Link to:</span><br/> <strong>%s</strong>' % annotation['property:webpageUrl']
def areas_intersect(list_a, list_b):
for a in list_a:
for b in list_b:
a_page, _, (a_left, a_top), (a_right, a_bottom) = a
b_page, _, (b_left, b_top), (b_right, b_bottom) = b
if (a_page == b_page) and (a_left <= b_right) and (b_left <= a_right) and (a_top <= b_bottom) and (b_top <= a_bottom):
return True
return False
class HREFFactory(utopia.document.Annotator):
"""Create annotations for links and email addresses"""
def __init__(self):
self.atext = '[a-zA-Z0-9%s]' % re.escape("!#$%&'*+-/=?^_`{|}~")
self.dot_atom = r'%s+(\.%s+)*' % (self.atext, self.atext)
self.email = r'%s@%s' % (self.dot_atom, self.dot_atom)
self.http = r'''\b((?:https?://|www\d{0,3}[.]|[a-z0-9.\-]+[.][a-z]{2,4}/)(?:[^\s()<>]+|\(([^\s()<>]+|(\([^\s()<>]+\)))*\))+(?:\(([^\s()<>]+|(\([^\s()<>]+\)))*\)|[^\s`!()\[\]{};:'".,<>?]))'''
def before_load_event(self, document):
# Get existing areas
existing_hyperlinks = [ann for ann in document.annotations() if ann.get('concept') == 'Hyperlink']
existing_extent_areas = [area for ann in existing_hyperlinks for ext in ann.extents() for area in ext.areas()]
existing_areas = existing_extent_areas + [area for ann in existing_hyperlinks for area in ann.areas()]
self.existing_areas = existing_areas
@utopia.document.buffer
def on_load_event(self, document):
# Email links
for match in document.search(self.email, spineapi.IgnoreCase + spineapi.WholeWordsOnly + spineapi.RegExp):
if not areas_intersect(match.areas(), self.existing_areas):
annotation = spineapi.Annotation()
annotation['concept'] = 'Hyperlink'
annotation['property:webpageUrl'] = 'mailto:%s' % match.text()
annotation['session:volatile'] = '1'
annotation.addExtent(match)
document.addAnnotation(annotation)
else:
print 'ignoring clashing email link text:', match.text().encode('utf8')
# HTTP(S) links
for match in document.search(self.http, spineapi.IgnoreCase + spineapi.WholeWordsOnly + spineapi.RegExp):
if not areas_intersect(match.areas(), self.existing_areas):
if match.begin().lineArea()[1] == 0: # Only while vertical links are rendered wrongly FIXME
url = match.text()
if not url.startswith('http'):
url = 'http://' + url
annotation = spineapi.Annotation()
annotation['concept'] = 'Hyperlink'
annotation['property:webpageUrl'] = '%s' % url
annotation['session:volatile'] = '1'
annotation.addExtent(match)
document.addAnnotation(annotation)
else:
print 'ignoring clashing http link text:', match.text().encode('utf8')
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