fieldtypes: add ftype class attribute

EditorialModel/fieldtypes/bool.py

@@ -6,6 +6,8 @@ class EmFieldType(GenericFieldType):
 
     help = 'A basic boolean field'
 
+    ftype='char'
+
     ## @brief A char field
     # @brief max_length int : The maximum length of this field
     def __init__(self, **kwargs):

EditorialModel/fieldtypes/datetime.py

@@ -6,6 +6,8 @@ class EmFieldType(GenericFieldType):
 
     help = 'A datetime field. Take two boolean options now_on_update and now_on_create'
 
+    ftype='datetime'
+
     ## @brief A datetime field
     # @param now_on_update bool : If true the date is set to NOW on update
     # @param now_on_create bool : If true the date is set to NEW on creation

EditorialModel/fieldtypes/file.py

@@ -6,6 +6,8 @@ class EmFieldType(GenericFieldType):
 
     help = 'A file field. With one options upload_path'
 
+    ftype='char'
+
     ## @brief A char field
     # @brief max_length int : The maximum length of this field
     def __init__(self, upload_path=None, **kwargs):

EditorialModel/fieldtypes/text.py

@@ -6,6 +6,8 @@ class EmFieldType(GenericFieldType):
 
     help = 'A text field (big string)'
 
+    ftype='text'
+
     def __init__(self, **kwargs):
         super(EmFieldType, self).__init__(ftype='text',**kwargs)