Improved NodeAdmin list_display options. Added use of default validators to JSONField...

[philo.git] / models / fields.py

diff --git a/models/fields.py b/models/fields.py
index 3e43c0f..19a6006 100644 (file)
--- a/models/fields.py
+++ b/models/fields.py
@@ -200,7 +200,11 @@ class TemplateField(models.TextField):
 
 
 class JSONFormField(forms.Field):
+       default_validators = [json_validator]
+       
        def clean(self, value):
+               if value == '' and not self.required:
+                       return None
                try:
                        return json.loads(value)
                except Exception, e:
@@ -231,9 +235,7 @@ class JSONDescriptor(object):
 
 
 class JSONField(models.TextField):
-       def __init__(self, *args, **kwargs):
-               super(JSONField, self).__init__(*args, **kwargs)
-               self.validators.append(json_validator)
+       default_validators = [json_validator]
        
        def get_attname(self):
                return "%s_json" % self.name