42 lines
1.1 KiB
Ruby
42 lines
1.1 KiB
Ruby
module SimpleForm
|
|
module Components
|
|
# Needs to be enabled in order to do automatic lookups.
|
|
module Maxlength
|
|
def maxlength
|
|
input_html_options[:maxlength] ||= maximum_length_from_validation || limit
|
|
nil
|
|
end
|
|
|
|
private
|
|
|
|
def maximum_length_from_validation
|
|
maxlength = options[:maxlength]
|
|
if maxlength.is_a?(String) || maxlength.is_a?(Integer)
|
|
maxlength
|
|
else
|
|
length_validator = find_length_validator
|
|
|
|
if length_validator && !has_tokenizer?(length_validator)
|
|
length_validator.options[:is] || length_validator.options[:maximum]
|
|
end
|
|
end
|
|
end
|
|
|
|
def find_length_validator
|
|
find_validator(:length)
|
|
end
|
|
|
|
def has_tokenizer?(length_validator)
|
|
tokenizer = length_validator.options[:tokenizer]
|
|
|
|
# TODO: Remove this check when we drop Rails 3.0 support
|
|
if ActiveModel::Validations::LengthValidator.const_defined?(:DEFAULT_TOKENIZER)
|
|
tokenizer && tokenizer != ActiveModel::Validations::LengthValidator::DEFAULT_TOKENIZER
|
|
else
|
|
tokenizer
|
|
end
|
|
end
|
|
end
|
|
end
|
|
end
|