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simple_language_selection.rb
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simple_language_selection.rb
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# ------------------------------------------------------------------------------
# Copyright (c) 2018 SUSE LINUX GmbH, Nuernberg, Germany.
#
#
# This program is free software; you can redistribute it and/or modify it under
# the terms of version 2 of the GNU General Public License as published by the
# Free Software Foundation.
#
# 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, contact Novell, Inc.
#
# To contact Novell about this file by physical or electronic mail, you may find
# current contact information at www.novell.com.
# ------------------------------------------------------------------------------
require "yast"
require "cwm/widget"
require "language_tag"
Yast.import "Language"
module Y2Packager
module Widgets
# Language selection widget
#
# In contrast to {Y2Packager::Widgets::LanguageSelection}, this modules does not
# modify the system language in any way.
class SimpleLanguageSelection < CWM::ComboBox
# @return [String] Default language code
attr_reader :default
# @return [String] List of languages to display (en_US, de_DE, etc.)
attr_reader :languages
# @param languages [Array<String>] List of languages to display (en_US, de_DE, etc.)
# @param default [String] Default language code
def initialize(languages, default)
textdomain "packager"
@languages = languages
@default = default
self.widget_id = "simple_language_selection"
end
# Widget label
#
# @return [String]
def label
_("&Language")
end
# Widget options
#
# Widget is forced to report immediatelly after value changed.
def opt
opts = [:notify]
opts << :disabled unless items.size > 1
opts
end
# [String] Default license language.
DEFAULT_LICENSE_LANG = "en_US".freeze
# Initialize to the given default language
#
# If the language is not in the list of options, it will try with the
# short code (for instance, "de" for "de_DE"). If it fails again, its
# initial value will be set to "en_US".
def init
languages = items.map(&:first)
candidates = [
default,
LanguageTag.new(default).generalize.to_s
]
new_value = candidates.compact.find { |c| languages.include?(c) }
self.value = new_value || DEFAULT_LICENSE_LANG
end
# Widget help text
#
# @return [String]
def help
""
end
# Return the options to be shown in the combobox
#
# @return [Array<Array<String,String>>] Array of languages in form [code, description]
def items
return @items if @items
lmap = Yast::Language.GetLanguagesMap(false)
@items = languages.map do |lang|
[lang, LanguageTag.new(lang).name(lang_map_cache: lmap)]
end
@items.reject! { |_lang, name| name.nil? }
@items.uniq!
@items.sort_by!(&:last)
end
end
end
end