Class: GovukPublishingComponents::Presenters::ContentsListHelper

Inherits:
Object
  • Object
show all
Includes:
ActionView::Helpers::SanitizeHelper
Defined in:
lib/govuk_publishing_components/presenters/contents_list_helper.rb

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(options) ⇒ ContentsListHelper

Returns a new instance of ContentsListHelper.



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 10

def initialize(options)
  @contents = options[:contents] || []
  @nested = @contents.any? { |c| c[:items] && c[:items].any? }
  @format_numbers = options[:format_numbers]
end

Instance Attribute Details

#classes ⇒ Object (readonly)

Returns the value of attribute classes.



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 8

def classes
  @classes
end

#contents ⇒ Object (readonly)

Returns the value of attribute contents.



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 8

def contents
  @contents
end

Instance Method Details

#clean_string(text) ⇒ Object 



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 43

def clean_string(text)
  text = text.gsub(/ /, " ")
  text = text.gsub("/\u00a0/", " ")
  text = text.gsub(160.chr("UTF-8"), " ")
  text = text.strip
  strip_tags(text.tr("\n", ""))
end

#get_ga4_event_name(link) ⇒ Object 



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 59

def get_ga4_event_name(link)
  return "select_content" if link.start_with?("#")

  "navigation"
end

#get_index_total ⇒ Object 



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 51

def get_index_total
  total = @contents.length
  @contents.each do |parent|
    total += parent[:items].length if parent[:items]
  end
  total
end

#list_item_classes(list_item, nested) ⇒ Object 



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 16

def list_item_classes(list_item, nested)
  list_item_classes = "gem-c-contents-list__list-item"
  list_item_classes << " gem-c-contents-list__list-item--#{parent_modifier}" unless nested
  list_item_classes << " gem-c-contents-list__list-item--dashed" if nested
  list_item_classes << " gem-c-contents-list__list-item--active" if list_item[:active]

  list_item_classes
end

#wrap_numbers_with_spans(link_text) ⇒ Object 



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# File 'lib/govuk_publishing_components/presenters/contents_list_helper.rb', line 25

def wrap_numbers_with_spans(link_text)
  output = clean_string(link_text)
  # Must start with a number
  # Number must be between 1 and 999 (ie not 2014)
  # Must be followed by a space
  # May contain a period `1.`
  # May be a decimal `1.2`
  number = /^\d{1,3}(\.?|\.\d{1,2})(?=\s)/.match(output)

  if number
    words = output.sub(number.to_s, "").strip # remove the number from the text
    # the space in the first span is needed for screen readers
    "<span class=\"gem-c-contents-list__number\">#{number} </span><span class=\"gem-c-contents-list__numbered-text\">#{words}</span>".squish.html_safe
  else
    output
  end
end