Class: Bureaucrat::Fields::ChoiceField

Inherits:
Field
  • Object
show all
Defined in:
lib/bureaucrat/fields.rb

Direct Known Subclasses

MultipleChoiceField, TypedChoiceField

Constant Summary

Constants included from Validation::Validators

Validation::Validators::EMAIL_RE

Instance Attribute Summary

Attributes inherited from Field

#error_messages, #help_text, #hidden_widget, #initial, #label, #required, #show_hidden_initial, #widget

Instance Method Summary collapse

Methods inherited from Field

hidden_widget, inherited, #initialize_copy, set_error, #validating, widget, #widget_attrs

Methods included from Validation::Converters

to_big_decimal, to_bool, to_float, to_integer

Methods included from Validation::Validates

fail_with

Methods included from Validation::Validators

empty_value?, has_max_decimal_places, has_max_digits, has_max_length, has_max_whole_digits, has_min_length, included_in, is_array, is_email, is_not_greater_than, is_not_lesser_than, is_present, is_true, matches_regex, not_empty

Constructor Details

#initialize(choices = [], options = {}) ⇒ ChoiceField

Returns a new instance of ChoiceField.



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# File 'lib/bureaucrat/fields.rb', line 367

def initialize(choices=[], options={})
  options[:required] = options.fetch(:required, true)
  super(options)
  self.choices = choices
end

Instance Method Details

#choices ⇒ Object 



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# File 'lib/bureaucrat/fields.rb', line 373

def choices
  @choices
end

#choices=(value) ⇒ Object 



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# File 'lib/bureaucrat/fields.rb', line 377

def choices=(value)
  @choices = @widget.choices = value.to_a
end

#clean(value) ⇒ Object 



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# File 'lib/bureaucrat/fields.rb', line 381

def clean(value)
  value = super(value)
  value = '' if empty_value?(value)
  value = value.to_s

  return value if value.empty?

  validating do
      fail_with(:invalid_choice, :value => value) unless valid_value?(value)
    end

  value
end

#valid_value?(value) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/bureaucrat/fields.rb', line 395

def valid_value?(value)
  @choices.each do |k, v|
      if v.is_a?(Array)
        # This is an optgroup, so look inside the group for options
        v.each do |k2, v2|
          return true if value == k2.to_s
        end
      else
        return true if value == k.to_s
      end
    end
  false
end