2010-02-06 21:21:26 +00:00
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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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2011-09-03 13:33:04 +00:00
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add_size!
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2011-09-03 13:08:51 +00:00
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if SimpleForm.html5
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input_html_options[:type] ||= "number"
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input_html_options[:step] ||= integer? ? 1 : "any"
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infer_attributes_from_validations!
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end
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2010-02-06 21:21:26 +00:00
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@builder.text_field(attribute_name, input_html_options)
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end
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2010-06-01 21:37:53 +00:00
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def input_html_classes
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super.unshift("numeric")
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end
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2010-09-05 15:19:45 +00:00
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2011-09-03 09:13:29 +00:00
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private
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2010-11-07 09:41:33 +00:00
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2011-09-03 13:33:04 +00:00
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# Rails adds the size attr by default, if the :size key does not exist.
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def add_size!
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input_html_options[:size] ||= nil
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end
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2010-11-07 09:41:33 +00:00
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def infer_attributes_from_validations!
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2010-09-14 03:40:03 +00:00
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return unless has_validators?
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2010-09-05 15:19:45 +00:00
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2010-09-14 03:40:03 +00:00
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numeric_validator = find_numericality_validator or return
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validator_options = numeric_validator.options
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2010-09-05 15:19:45 +00:00
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2010-11-07 09:41:33 +00:00
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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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2010-09-05 16:47:54 +00:00
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end
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def integer?
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input_type == :integer
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2010-09-05 15:19:45 +00:00
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end
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2010-09-05 15:54:00 +00:00
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2010-09-14 03:40:03 +00:00
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def minimum_value(validator_options)
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if integer? && validator_options.key?(:greater_than)
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2011-03-11 03:11:54 +00:00
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evaluate_validator_option(validator_options[:greater_than]) + 1
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2010-09-14 03:40:03 +00:00
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else
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2011-03-12 04:12:01 +00:00
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evaluate_validator_option(validator_options[:greater_than_or_equal_to])
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2010-09-14 03:40:03 +00:00
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end
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2010-09-05 16:46:02 +00:00
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end
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2010-09-14 03:40:03 +00:00
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def maximum_value(validator_options)
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if integer? && validator_options.key?(:less_than)
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2011-03-11 03:11:54 +00:00
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evaluate_validator_option(validator_options[:less_than]) - 1
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2010-09-14 03:40:03 +00:00
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else
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2011-03-12 04:12:01 +00:00
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evaluate_validator_option(validator_options[:less_than_or_equal_to])
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2010-09-14 03:40:03 +00:00
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end
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2010-09-05 16:46:02 +00:00
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end
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2010-09-14 03:40:03 +00:00
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def find_numericality_validator
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2011-09-03 13:15:43 +00:00
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find_validator(ActiveModel::Validations::NumericalityValidator)
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2010-09-05 15:54:00 +00:00
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end
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2011-03-11 02:54:59 +00:00
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2011-03-11 03:11:54 +00:00
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def evaluate_validator_option(option)
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2011-09-03 13:08:51 +00:00
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if option.is_a?(Numeric)
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option
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elsif option.is_a?(Symbol)
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object.send(option)
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elsif option.respond_to?(:call)
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option.call(object)
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end
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2011-03-11 02:54:59 +00:00
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end
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2010-02-06 21:21:26 +00:00
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end
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end
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2010-09-05 15:19:45 +00:00
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end
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