58 lines
1.5 KiB
Ruby
58 lines
1.5 KiB
Ruby
module SimpleForm
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module Inputs
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class NumericInput < Base
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def input
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input_html_options[:type] ||= "number"
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input_html_options[:size] ||= SimpleForm.default_input_size
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input_html_options[:step] ||= 1 if integer?
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infer_attributes_from_validations!
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@builder.text_field(attribute_name, input_html_options)
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end
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def input_html_classes
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super.unshift("numeric")
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end
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protected
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def has_placeholder?
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placeholder_present?
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end
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def infer_attributes_from_validations!
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return unless has_validators?
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numeric_validator = find_numericality_validator or return
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validator_options = numeric_validator.options
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input_html_options[:min] ||= minimum_value(validator_options)
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input_html_options[:max] ||= maximum_value(validator_options)
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end
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def integer?
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input_type == :integer
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end
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def minimum_value(validator_options)
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if integer? && validator_options.key?(:greater_than)
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validator_options[:greater_than] + 1
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else
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validator_options[:greater_than_or_equal_to]
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end
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end
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def maximum_value(validator_options)
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if integer? && validator_options.key?(:less_than)
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validator_options[:less_than] - 1
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else
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validator_options[:less_than_or_equal_to]
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end
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end
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def find_numericality_validator
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attribute_validators.find { |v| ActiveModel::Validations::NumericalityValidator === v }
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end
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end
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end
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end
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