Editor module class.
dynamic fieldChecker (action:String, field:String):Bool
If overridden, called for each input field of each form and each row field in update SQL query in this module. If it returns false, that field is ignored for this action, both in form and in update query.
Parameters:
action Form or update query action.
field Field name.
Returns:
True, if the field should exist in form or query. False otherwise.