1 files changed, 52 insertions, 0 deletions
diff --git a/share/extensions/webslicer_effect.py b/share/extensions/webslicer_effect.py
new file mode 100644
index 000000000..37bea447b
--- /dev/null
+++ b/share/extensions/webslicer_effect.py
@@ -0,0 +1,52 @@
+#!/usr/bin/env python
+'''
+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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+'''
+
+import inkex
+
+
+def is_empty(val):
+    if val is None:
+        return True
+    else:
+        return len(str(val)) == 0
+
+
+class WebSlicer_Effect(inkex.Effect):
+
+    def __init__(self):
+        inkex.Effect.__init__(self)
+
+    def get_slicer_layer(self, force_creation=False):
+        # Test if webslicer-layer layer existis
+        layer = self.document.xpath(
+                     '//*[@id="webslicer-layer" and @inkscape:groupmode="layer"]',
+                     namespaces=inkex.NSS)
+        if len(layer) is 0:
+            if force_creation:
+                # Create a new layer
+                layer = inkex.etree.SubElement(self.document.getroot(), 'g')
+                layer.set('id', 'webslicer-layer')
+                layer.set(inkex.addNS('label', 'inkscape'), 'Web Slicer')
+                layer.set(inkex.addNS('groupmode', 'inkscape'), 'layer')
+            else:
+                layer = None
+        else:
+            layer = layer[0]
+        return layer
+