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rails_language_select
Advanced tools
Helper for displaying a localised <select>
of languages using the ISO 369 standard or your own custom data source.
If you're using SimpleForm, see also: https://github.com/kasparsj/simple_form_language_input
Based on the code of: https://github.com/stefanpenner/country_select
By default uses language data from: https://github.com/grosser/i18n_data
Install as a gem using
gem install rails_language_select
Or put the following in your Gemfile
gem 'rails_language_select'
Simple use supplying model and attribute as parameters:
language_select("user", "language")
Supplying priority languages to be placed at the top of the list:
language_select("user", "language", priority_languages: ["EN", "FR", "DE"])
Supplying only certain languages:
language_select("user", "language", only: ["EN", "FR", "DR"])
Discarding certain languages:
language_select("user", "language", except: ["EN", "FR", "DE"])
Pre-selecting a particular language:
language_select("user", "language", selected: "EN")
Using existing select
options:
language_select("user", "language", include_blank: true)
language_select("user", "language", { include_blank: 'Select a language' }, { class: 'language-select-box' })
Supplying additional html options:
language_select("user", "language", { priority_languages: ["EN", "FR"], selected: "EN" }, { class: 'form-control', data: { attribute: "value" } })
You can override the default data source, or define a new custom data source which will receive code_or_name
# config/initializers/rails_language_select.rb
# example overriding default data source
RailsLanguageSelect::DATA_SOURCE[:default] = lambda do |code_or_name = nil|
languages = I18nData.languages(I18n.locale.to_s).slice("EN", "FR", "ES")
if code_or_name.nil?
languages.keys
else
if (language = languages[code_or_name.to_s.upcase])
code = code_or_name
elsif (code = I18nData.language_code(code_or_name))
language = languages[code]
end
return language, code
end
end
# example defining a new custom data source
RailsLanguageSelect::DATA_SOURCE[:custom_data] = lambda do |code_or_name = nil|
custom_data = {yay: "YAY!", wii: 'Yippii!'}
if code_or_name.nil?
custom_data.keys
else
if (language = custom_data[code_or_name])
code = code_or_name
elsif (code = custom_data.key(code_or_name))
language = code_or_name
end
return language, code
end
end
language_select("user", "language", data_source: :custom_data)
You can override the default formatter, or define a new custom formatter which will receive language
(localised language name) and code
# config/initializers/rails_language_select.rb
# example overriding default formatter
RailsLanguageSelect::FORMATS[:default] = lambda do |language, code|
[language, code.downcase] # use lower case code instead of upper case
end
# example defining a new custom formatter
RailsLanguageSelect::FORMATS[:with_code] = lambda do |language, code|
"#{language} (#{code})"
end
language_select("user", "language", format: :with_code)
class User < ActiveRecord::Base
# Assuming language_select is used with User attribute `language_code`
# This will attempt to translate the language name and use the default
# (usually English) name if no translation is available
def language_name
RailsLanguageSelect::DATA_SOURCE[:default].call(language_code)
end
end
FAQs
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We found that rails_language_select demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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