OpenProject is the leading open source project management software.
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openproject/app/helpers/accessibility_helper.rb

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#-- encoding: UTF-8
#-- copyright
# OpenProject is an open source project management software.
# Copyright (C) 2012-2021 the OpenProject GmbH
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License version 3.
#
# OpenProject is a fork of ChiliProject, which is a fork of Redmine. The copyright follows:
# Copyright (C) 2006-2013 Jean-Philippe Lang
# Copyright (C) 2010-2013 the ChiliProject Team
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
#
# See COPYRIGHT and LICENSE files for more details.
#++
module AccessibilityHelper
def you_are_here_info(condition = true, disabled = nil)
if condition && !disabled
"<span style = 'display: block' class = 'position-label hidden-for-sighted'>#{I18n.t(:description_current_position)}</span>".html_safe
elsif condition && disabled
"<span style = 'display: none' class = 'position-label hidden-for-sighted'>#{I18n.t(:description_current_position)}</span>".html_safe
else
''
end
end
def empty_element_tag
@empty_element_tag ||= ApplicationController.new.render_to_string(partial: 'accessibility/empty_element_tag').html_safe
end
# Returns the locale :en for the given menu item if the user locale is
# different but equals the English translation
#
# Returns nil if user locale is :en (English) or no translation is given,
# thus, assumes English to be the default language. Returns :en iff a
# translation exists and the translation equals the English one.
def menu_item_locale(menu_item)
return nil if english_locale_set?
caption_content = menu_item.instance_variable_get(:@caption)
locale_label = caption_content.is_a?(Symbol) ? caption_content : :"label_#{menu_item.name}"
!locale_exists?(locale_label) || equals_english_locale(locale_label) ? :en : nil
end
private
def locale_exists?(key, locale = I18n.locale)
I18n.t(key, locale: locale, raise: true)
rescue StandardError
false
end
def english_locale_set?
I18n.locale == :en
end
def equals_english_locale(key)
key.is_a?(Symbol) ? (I18n.t(key) == I18n.t(key, locale: :en)) : false
end
end