1 #!/usr/bin/env python
2 '''
3 Copyright (C) 2010 Aurelio A. Heckert, aurium (a) gmail dot com
5 This program is free software; you can redistribute it and/or modify
6 it under the terms of the GNU General Public License as published by
7 the Free Software Foundation; either version 2 of the License, or
8 (at your option) any later version.
10 This program is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 GNU General Public License for more details.
15 You should have received a copy of the GNU General Public License
16 along with this program; if not, write to the Free Software
17 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
18 '''
20 import inkex
23 def is_empty(val):
24 if val is None:
25 return True
26 else:
27 return len(str(val)) == 0
30 class WebSlicer_Effect(inkex.Effect):
32 def __init__(self):
33 inkex.Effect.__init__(self)
35 def get_slicer_layer(self, force_creation=False):
36 # Test if webslicer-layer layer existis
37 layer = self.document.xpath(
38 '//*[@id="webslicer-layer" and @inkscape:groupmode="layer"]',
39 namespaces=inkex.NSS)
40 if len(layer) is 0:
41 if force_creation:
42 # Create a new layer
43 layer = inkex.etree.SubElement(self.document.getroot(), 'g')
44 layer.set('id', 'webslicer-layer')
45 layer.set(inkex.addNS('label', 'inkscape'), 'Web Slicer')
46 layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
47 else:
48 layer = None
49 else:
50 layer = layer[0]
51 return layer
53 def get_conf_text_from_list(self, conf_atts):
54 conf_list = []
55 for att in conf_atts:
56 if not is_empty(getattr(self.options, att)):
57 conf_list.append(
58 att.replace('_','-') +': '+ str(getattr(self.options, att))
59 )
60 return "\n".join( conf_list )