heartcombo--simple_form/lib/simple_form/inputs/string_input.rb

module SimpleForm
  module Inputs
    class StringInput < Base
      extend MapType

      map_type :string, :email, :search, :tel, :url,  :to => :text_field
      map_type :password,                             :to => :password_field

      def input
        input_html_options[:size]      ||= [limit, SimpleForm.default_input_size].compact.min
        input_html_options[:pattern]   ||= pattern_validator if validate_pattern?
        if password? || SimpleForm.html5
          input_html_options[:type]    ||= input_type unless string?
        end
        @builder.send(input_method, attribute_name, input_html_options)
      end

      def input_html_classes
        string? ? super : super.unshift("string")
      end

    protected

      def has_maxlength?
        true
      end

      def has_placeholder?
        placeholder_present?
      end

      def string?
        input_type == :string
      end

      def password?
        input_type == :password
      end

      def validate_pattern?
        return unless has_validators?

        SimpleForm.html5 && SimpleForm.browser_validations && find_pattern_validator.present?
      end

      def pattern_validator
        find_pattern_validator.options[:with].source
      end

      def find_pattern_validator
        attribute_validators.find { |v| ActiveModel::Validations::FormatValidator === v }
      end
    end
  end
end