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# -*- coding: utf-8 -*-
from fnmatch import fnmatch
import re
from trac.core import Component, implements
from trac.config import ListOption
from trac.ticket.web_ui import TicketModule
from trac.web.api import IRequestFilter
from trac.web.chrome import ITemplateProvider, add_link, add_stylesheet, add_script, add_script_data
from trac.web.href import Href
__all__ = ['WysiwygModule']
class WysiwygModule(Component):
implements(ITemplateProvider, IRequestFilter)
wysiwyg_stylesheets = ListOption('tracwysiwyg', 'wysiwyg_stylesheets',
doc="""Add stylesheets to the WYSIWYG editor""")
templates = ListOption('tracwysiwyg', 'templates', doc="""\
List of template names that the plugin will show a WYSIWYG editor
on each TracWiki textarea. The plugin shows on all pages by
default.""")
# ITemplateProvider#get_htdocs_dirs
def get_htdocs_dirs(self):
from pkg_resources import resource_filename
return [('tracwysiwyg', resource_filename(__name__, 'htdocs'))]
# ITemplateProvider#get_templates_dirs
def get_templates_dirs(self):
return []
# IRequestFilter#pre_process_request
def pre_process_request(self, req, handler):
return handler
# IRequestFilter#post_process_request
def post_process_request(self, req, template, data, content_type):
if not _is_wysiwyg_enabled(template, self.templates):
return template, data, content_type
options = {}
if template == 'ticket.html':
options['escapeNewlines'] = TicketModule(self.env).must_preserve_newlines
add_script_data(req, {'_tracwysiwyg': options})
add_link(req, 'tracwysiwyg.base', req.href() or '/')
stylesheets = ['chrome/common/css/trac.css', 'chrome/tracwysiwyg/editor.css']
stylesheets += self.wysiwyg_stylesheets
for stylesheet in stylesheets:
add_link(req, 'tracwysiwyg.stylesheet', _expand_filename(req, stylesheet))
add_stylesheet(req, 'tracwysiwyg/wysiwyg.css')
add_script(req, 'tracwysiwyg/wysiwyg.js')
return template, data, content_type
def _expand_filename(req, filename):
if filename.startswith('chrome/common/') and 'htdocs_location' in req.chrome:
href = Href(req.chrome['htdocs_location'])
return href(filename[14:])
if filename.startswith('/') or re.match(r'https?://', filename):
href = Href(filename)
return href()
return req.href(filename)
def _is_wysiwyg_enabled(template, patterns):
if not patterns:
return True
for pattern in patterns:
positive = not pattern.startswith('!')
if not positive:
pattern = pattern[1:]
if fnmatch(template, pattern):
return positive
return False
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