Class: CCS::Components::GovUK::Field::Input::FileUpload

Inherits:
CCS::Components::GovUK::Field::Input show all
Defined in:
lib/ccs/components/govuk/field/input/file_upload.rb

Overview

GOV.UK File Upload

This is used for generating the file upload component from the GDS - Components - File Upload

Constant Summary collapse

DEFAULT_ATTRIBUTES =

The default attributes for the file upload

{ class: 'govuk-file-upload' }.freeze

Instance Method Summary collapse

Constructor Details

#initialize(attribute:, javascript: false) ⇒ FileUpload

Returns a new instance of FileUpload.

Parameters:

  • javascript (Boolean) (defaults to: false) —

    used to enable JavaScript enhancements for the component



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# File 'lib/ccs/components/govuk/field/input/file_upload.rb', line 30

def initialize(attribute:, javascript: false, **)
  super(attribute: attribute, **)

  @javascript = javascript

  return unless javascript

  @file_upload_javascript_options = {
    class: 'govuk-drop-zone',
    data: {
      module: 'govuk-file-upload'
    }
  }

  %i[choose_files_button no_file_chosen multiple_files_chosen drop_instruction entered_drop_zone left_drop_zone].each do |data_attribute|
    data_attribute_name = :"#{data_attribute}_text"
    if options[data_attribute_name]
      if options[data_attribute_name].is_a? Hash
        options[data_attribute_name].each do |key, value|
          @file_upload_javascript_options[:data][:"i18n.#{data_attribute.to_s.gsub('_', '-')}.#{key}"] = value
        end
      else
        @file_upload_javascript_options[:data][:"i18n.#{data_attribute.to_s.gsub('_', '-')}"] = options[data_attribute_name]
      end
    end
  end
end

Instance Method Details

#render ⇒ ActiveSupport::SafeBuffer

Generates the HTML for the GOV.UK File Upload component

Returns:

  • (ActiveSupport::SafeBuffer) 


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# File 'lib/ccs/components/govuk/field/input/file_upload.rb', line 66

def render
  super do
    javascript_wrapper do
      if options[:form]
        options[:form].file_field(attribute, **options[:attributes])
      else
        context.file_field_tag(attribute, **options[:attributes])
      end
    end
  end
end