Class: TemplateForm::GroupedSelectInput

Inherits:
BaseInput
  • Object
show all
Defined in:
lib/template_form/grouped_select_input.rb

Constant Summary collapse

OPTION_KEYS = 
%i[ include_blank prompt index disabled selected ]

Instance Method Summary collapse

Constructor Details

#initialize(builder, attribute_name, options) ⇒ GroupedSelectInput

Returns a new instance of GroupedSelectInput.



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# File 'lib/template_form/grouped_select_input.rb', line 8

def initialize(builder, attribute_name, options)
  @builder = builder
  @attribute_name = attribute_name
  @view = options.delete(:view)

  @form_type = options.delete(:form_type) || builder.form_type

  @collection = options.delete(:collection).to_a

  # Use the `:label` option to override the default label text.
  # Use `label: false` to indicate no label should be shown (check `has_label` in the template).
  @has_label = !(options.has_key?(:label) && options[:label] == false)
  @label_text = options.delete(:label) || ''
  @label_options = Hash.new { |h,k| h[k] = '' }.update(options.delete(:label_options) || {})

  @hint_text = options.delete(:hint) || ''

  @group_method        = options.delete(:group_method) || :last
  @group_label_method  = options.delete(:group_label_method) || :first
  @option_key_method   = options.delete :option_key_method
  @option_value_method = options.delete :option_value_method

  data_attributes = (options.delete(:data) || {}).transform_keys { |k| "data-#{k}" }

  @options, @html_options = options.partition { |k,_| OPTION_KEYS.include? k }.map(&:to_h)

  @html_options.merge! data_attributes
  @html_options[:class] ||= ''
end

Instance Method Details

#render ⇒ Object 



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# File 'lib/template_form/grouped_select_input.rb', line 38

def render
  template.render(
    builder,
    attribute_name: attribute_name,
    collection:     collection,

    has_label:      has_label,
    label_text:     label_text,
    label_options:  label_options,

    hint_text:      hint_text,

    options:        options,
    html_options:   html_options,

    errors:         errors,

    group_method:        group_method,
    group_label_method:  group_label_method,
    option_key_method:   option_key_method,
    option_value_method: option_value_method,

    view: view
  ).html_safe
end