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#!/usr/bin/env python
'''
Copyright (C) 2009 Aurelio A. Heckert, aurium (a) gmail dot com
This program 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.
This program 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 this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
'''
import inkex, sys, os, re
class InkWebEffect(inkex.Effect):
def __init__(self):
inkex.Effect.__init__(self)
self.reUpdateJS = '/\\*\\s* inkweb.js [^*]* InkWebEffect:AutoUpdate \\s*\\*/'
def mustAddInkWebJSCode(self, scriptEl):
if not scriptEl.text: return True
if len(scriptEl.text) == 0: return True
if re.search(self.reUpdateJS, scriptEl.text): return True
return False
def addInkWebJSCode(self, scriptEl):
js = open( os.path.join(sys.path[0], "inkweb.js"), 'r' )
if hasattr(inkex.etree, "CDATA"):
scriptEl.text = \
inkex.etree.CDATA(
"\n/* inkweb.js - InkWebEffect:AutoUpdate */\n" + js.read()
)
else:
scriptEl.text = \
"\n/* inkweb.js - InkWebEffect:AutoUpdate */\n" + js.read()
js.close()
def ensureInkWebSupport(self):
# Search for the script tag with the inkweb.js code:
scriptEl = None
scripts = self.document.xpath('//svg:script', namespaces=inkex.NSS)
for s in scripts:
if re.search(self.reUpdateJS, s.text):
scriptEl = s
if scriptEl is None:
root = self.document.getroot()
scriptEl = inkex.etree.Element( "script" )
scriptEl.set( "id", "inkwebjs" )
scriptEl.set( "type", "text/javascript" )
root.insert( 0, scriptEl )
if self.mustAddInkWebJSCode(scriptEl):
self.addInkWebJSCode(scriptEl)
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