1 files changed, 29 insertions, 0 deletions
diff --git a/gitrefinery/templatetags/addurlparameter.py b/gitrefinery/templatetags/addurlparameter.py
new file mode 100644
index 0000000..deca130
--- /dev/null
+++ b/gitrefinery/templatetags/addurlparameter.py
@@ -0,0 +1,29 @@
+# Borrowed from http://djangosnippets.org/snippets/361/
+# Original author: johan de taeye
+# With modifications from Ludwik Trammer
+#
+# Adds GET parameters to the current URL
+
+from django.template import Library, Node, TemplateSyntaxError, Variable
+
+register = Library()
+
+class AddParameter(Node):
+    def __init__(self, varname, value):
+        self.varname = Variable(varname)
+        self.value = Variable(value)
+
+    def render(self, context):
+        req = Variable('request').resolve(context)
+        params = req.GET.copy()
+        params[self.varname.resolve(context)] = self.value.resolve(context)
+        return '%s?%s' % (req.path, params.urlencode())
+
+def addurlparameter(parser, token):
+    from re import split
+    bits = split(r'\s+', token.contents, 2)
+    if len(bits) < 2:
+        raise TemplateSyntaxError("'%s' tag requires two arguments" % bits[0])
+    return AddParameter(bits[1],bits[2])
+
+register.tag('addurlparameter', addurlparameter)