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#!/usr/bin/env python
# coding=utf-8
#
# Copyright (C) 2014-2019 Martin Owens
#
# 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
"""
Merges styles into class based styles and removes.
"""
import inkex
class MergeStyles(inkex.EffectExtension):
"""Merge any styles which are the same for CSS"""
def add_arguments(self, pars):
self.arg_parser.add_argument("-n", "--name", type=str, dest="name",\
help="Name of selected element's common class")
def effect(self):
"""Apply the style effect"""
newclass = self.options.name
if not newclass:
newclass = self.svg.get_unique_id('css')
elements = self.svg.selected.values()
common = None
for elem in elements:
style = set(elem.style.items())
if common is not None:
common &= style
else:
common = style
if not common:
return inkex.errormsg("There are no common styles between these elements.")
self.svg.stylesheet.add('.' + newclass, inkex.Style(sorted(common)))
for elem in elements:
elem.style -= dict(common).keys()
elem.classes.append(newclass)
return True
if __name__ == '__main__':
MergeStyles().run()
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