add BooleanSearchFilter

edbob/pyramid/grids/search.py

@@ -69,6 +69,16 @@ class SearchFilter(edbob.Object):
         return tags.text(self.name, self.search.config.get(self.name))
 
 
+class BooleanSearchFilter(SearchFilter):
+    """
+    Boolean search filter.
+    """
+
+    def value_control(self):
+        return tags.select(self.name, self.search.config.get(self.name),
+                           ["True", "False"])
+
+
 class SearchForm(Form):
     """
     Generic form class which aggregates :class:`SearchFilter` instances.