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#!/usr/bin/env python3
#
# Copyright (C) 2010 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
"""
Common elements between webslicer extensions
"""
import inkex
from inkex import Group
def is_empty(val):
return val in ("", None)
class WebSlicerMixin(object):
def get_slicer_layer(self, force_creation=False):
# Test if webslicer-layer layer existis
layer = self.svg.getElement(
'//*[@id="webslicer-layer" and @inkscape:groupmode="layer"]'
)
if layer is None:
if force_creation:
# Create a new layer
layer = Group(id="webslicer-layer")
layer.set("inkscape:label", "Web Slicer")
layer.set("inkscape:groupmode", "layer")
self.document.getroot().append(layer)
else:
layer = None
return layer
def get_conf_text_from_list(self, conf_atts):
conf_list = []
for att in conf_atts:
if not is_empty(getattr(self.options, att)):
conf_list.append(
att.replace("_", "-") + ": " + str(getattr(self.options, att))
)
return "\n".join(conf_list)
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