49 lines
1.5 KiB
Ruby
49 lines
1.5 KiB
Ruby
# frozen_string_literal: true
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module SimpleForm
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module Components
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# Needs to be enabled in order to do automatic lookups.
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module Maxlength
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def maxlength(wrapper_options = nil)
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input_html_options[:maxlength] ||= maximum_length_from_validation || limit
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nil
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end
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private
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def maximum_length_from_validation
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maxlength = options[:maxlength]
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if maxlength.is_a?(String) || maxlength.is_a?(Integer)
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maxlength
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else
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length_validator = find_length_validator
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maximum_length_value_from(length_validator)
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end
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end
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def find_length_validator
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find_validator(:length)
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end
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def has_tokenizer?(length_validator)
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length_validator.options[:tokenizer]
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end
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# Use validation with tokenizer if version of Rails is less than 5,
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# if not validate without the tokenizer, if version is greater than Rails 4.
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if ActionPack::VERSION::STRING < '5'
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def maximum_length_value_from(length_validator)
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if length_validator && !has_tokenizer?(length_validator)
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length_validator.options[:is] || length_validator.options[:maximum]
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end
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end
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elsif ActionPack::VERSION::STRING >= '5'
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def maximum_length_value_from(length_validator)
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if length_validator
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length_validator.options[:is] || length_validator.options[:maximum]
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end
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end
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end
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end
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end
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end
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