1 files changed, 99 insertions, 0 deletions
diff --git a/share/extensions/jessyink_install.py b/share/extensions/jessyink_install.py
new file mode 100755
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+++ b/share/extensions/jessyink_install.py
@@ -0,0 +1,99 @@
+#!/usr/bin/env python
+#
+# Copyright 2008, 2009 Hannes Hochreiner
+#
+# 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 3 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, see http://www.gnu.org/licenses/.
+#
+"""Install jessyInk scripts"""
+
+import inkex
+from inkex import Script
+from inkex.utils import NSS
+
+from inkex.localization import inkex_gettext as _
+
+NSS[u"jessyink"] = u"https://launchpad.net/jessyink"
+
+class JessyInkMixin(object):
+    """Common jessyInk items"""
+    def is_installed(self):
+        """Check jessyInk is installed correctly"""
+        scripts = self.svg.getElement("//svg:script[@jessyink:version='1.5.5']")
+        if scripts is None:
+            raise inkex.AbortExtension(_(
+                "The JessyInk script is not installed in this SVG file or has a "
+                "different version than the JessyInk extensions. Please select "
+                "\"install/update...\" from the \"JessyInk\" sub-menu of the \"Extensions\" "
+                "menu to install or update the JessyInk script.\n\n"))
+
+    def attr_remove(self, prop, is_removed=True):
+        """Remove a property if it exists in the svg"""
+        if is_removed:
+            for node in self.svg.xpath("//*[@jessyink:{}]".format(prop)):
+                node.set("jessyink:{}".format(prop), None)
+            for node in self.svg.xpath("//*[@jessyInk_{}]".format(prop)):
+                node.set("jessyInk_{}".format(prop), None)
+
+    def attr_update(self, name):
+        """Update a single attr"""
+        for node in self.svg.xpath("//*[@jessyInk_{}]".format(name)):
+            node.set("jessyink:{}".format(name), node.get("jessyInk_{}".format(name)))
+            node.set("jessyInk_{}".format(name), None)
+        for node in self.svg.xpath("//*[@jessyink:{}]".format(name)):
+            node.set("jessyink:{}".format(name), node.get("jessyink:{}".format(name)).replace("=", ":"))
+
+    @staticmethod
+    def prop_str_to_list(string):
+        """Script string to list of instructions"""
+        return [prop.strip() for prop in string.split(";") if prop]
+
+    @staticmethod
+    def list_to_prop_str(lst):
+        """List of instructions to script string"""
+        return "; ".join(lst) + ';'
+
+
+class Install(JessyInkMixin, inkex.EffectExtension):
+    """Install jessyInk extension into an SVG"""
+    def add_arguments(self, pars):
+        pars.add_argument('--tab', type=str, dest='what')
+
+    def effect(self):
+        # Find and delete old script node
+        for node in self.svg.xpath("//svg:script[@id='JessyInk']"):
+            node.getparent().remove(node)
+
+        # Create new script node
+        script_elem = Script()
+        with open(self.get_resource("jessyInk.js")) as fhl:
+            script_elem.text = fhl.read()
+        script_elem.set("id", "JessyInk")
+        script_elem.set("jessyink:version", '1.5.5')
+        self.svg.append(script_elem)
+
+        # Remove "jessyInkInit()" in the "onload" attribute, if present.
+        prop_list = [prop.strip() for prop in self.svg.get("onload", '').split(';')]
+        if "jessyInkInit()" in prop_list:
+            prop_list.remove("jessyInkInit()")
+        self.svg.set("onload", "; ".join(prop_list) or None)
+
+        # Update jessyInk attributes to new formats
+        for attr in ('effectIn', 'effectOut', 'masterSlide',
+                     'transitionIn', 'transitionOut', 'autoText'):
+            self.attr_update(attr)
+
+
+# Create effect instance
+if __name__ == '__main__':
+    Install().run()