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‎README.md‎

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# redmine_custom_messages
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Redmineのプラグイン
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config/locales/*.ymlで定義されている画面上の文言の訳文を管理画面から変更できるようにします。

‎app/controllers/custom_message_settings_controller.rb‎

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class CustomMessageSettingsController < ApplicationController
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layout 'admin'
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self.main_menu = false
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before_action :require_admin, :set_custom_message_setting, :set_lang
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require_sudo_mode :edit, :update
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def edit
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@lang = params[:lang].presence || User.current.language
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end
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def update
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original_custom_messages = @setting.custom_messages
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languages = (original_custom_messages ? original_custom_messages.keys.map(&:to_s) : [])
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if custom_message_setting_params[:custom_messages]
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messages = original_custom_messages.merge({@lang => CustomMessageSetting.to_nested_hash(custom_message_setting_params[:custom_messages].to_unsafe_h.to_hash) })
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elsif custom_message_setting_params[:custom_messages_yaml]
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messages = custom_message_setting_params[:custom_messages_yaml]
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else
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message = {@lang => {}}
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end
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if @setting.update_custom_messages(messages)
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flash[:notice] = l(:notice_successful_update)
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new_custom_messages = @setting.custom_messages
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if new_custom_messages.present?
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languages += new_custom_messages.keys.map(&:to_s)
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CustomMessageSetting.reload_translations!(languages)
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end
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redirect_to edit_custom_message_settings_path
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else
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@lang ||= User.current.language
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render :edit
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end
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end
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private
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def set_custom_message_setting
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@setting = CustomMessageSetting.find_or_default
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end
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def custom_message_setting_params
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params.fetch(:settings, {}).permit(:custom_messages_yaml, custom_messages: {})
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end
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def set_lang
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@lang = CustomMessageSetting.find_language(params[:lang]) if params[:lang]
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end
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end

‎app/helpers/custom_message_settings_helper.rb‎

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module CustomMessageSettingsHelper
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def available_messages(lang)
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messages = I18n.backend.translations[lang.to_sym]
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if messages.nil?
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CustomMessageSetting.reload_translations!([lang])
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messages = I18n.backend.translations[lang.to_sym] || {}
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end
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CustomMessageSetting.flatten_hash(messages)
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end
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def available_message_options(lang)
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[['', '']] +
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available_messages(lang).map do |k, v|
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["#{k}: #{v}", k]
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end
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end
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def normal_mode_input_fields(setting, lang)
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return '' if setting.value[:custom_messages].is_a?(String) || setting.value[:custom_messages].blank?
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content = ''
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custom_messages_hash = CustomMessageSetting.flatten_hash(setting.custom_messages[lang.to_s] || {})
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custom_messages_hash.each do |k, v|
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content += content_tag(:p) do
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content_tag(:label, k) +
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text_field_tag("settings[custom_messages[#{k}]]", v.to_s) +
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link_to_function('', '$(this).closest("p").remove();', class: 'icon-only icon-del clear-key-link')
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end
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end
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content.html_safe
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end
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end

‎app/models/custom_message_setting.rb‎

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class CustomMessageSetting < Setting
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before_validation :change_format_to_hash
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validate :custom_message_keys_are_available
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def self.find_or_default
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super('plugin_redmine_message_customize')
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end
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def custom_messages(lang=nil)
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if lang.present?
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self.value.dig(:custom_messages, self.class.find_language(lang)) || {}
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else
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self.value[:custom_messages] || {}
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end
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end
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def custom_messages_to_yaml
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if self.custom_messages.blank?
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''
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elsif self.custom_messages.is_a?(Hash)
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YAML.dump(self.custom_messages)
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else
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self.custom_messages
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end
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end
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def update_custom_messages(messages)
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self.value = {custom_messages: (messages.present? ? messages : {})}
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self.save
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end
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def self.available_messages(lang='en')
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list = I18n.backend.translations[self.find_language(lang).to_sym] || {}
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self.flatten_hash(list)
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end
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def self.flatten_hash(hash=nil)
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hash = self.to_hash unless hash
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hash.each_with_object({}) do |(key, value), content|
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next self.flatten_hash(value).each do |k, v|
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content["#{key}.#{k}".intern] = v
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end if value.is_a? Hash
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content[key] = value
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end
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end
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def self.to_nested_hash(hash=nil)
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hash = self.to_hash unless hash
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new_hash = {}
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hash.each do |key, value|
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h = value
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h = YAML.load(value) if value.first == '[' && value.last == ']'
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key.to_s.split('.').reverse_each do |k|
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h = {k => h}
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end
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new_hash = new_hash.deep_merge(h)
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end
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new_hash
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end
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def self.reload_translations!(languages)
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paths = ::I18n.load_path.select {|path| self.find_language(languages).include?(File.basename(path, '.*').to_s)}
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I18n.backend.load_translations(paths)
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end
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def self.find_language(language=nil)
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if language.is_a?(Array)
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language.select{|l| I18n.available_locales.include?(l.to_s.to_sym)}.map(&:to_s).compact
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elsif language.present? && I18n.available_locales.include?(language.to_s.to_sym)
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language.to_s
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else
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nil
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end
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end
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private
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def custom_message_keys_are_available
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return false if self.value[:custom_messages].is_a?(Hash) == false || self.errors.present?
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custom_messages_hash = {}
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custom_messages.values.each do |hash|
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custom_messages_hash = self.class.flatten_hash(custom_messages_hash.merge(hash))
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end
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available_keys = self.class.flatten_hash(self.class.available_messages).keys
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unavailable_keys = custom_messages_hash.keys.reject{|k|available_keys.include?(k.to_sym)}
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if unavailable_keys.present?
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self.errors.add(:base, l(:error_unavailable_keys) + "keys: [#{unavailable_keys.join(', ')}]")
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return false
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end
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end
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def change_format_to_hash
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begin
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if self.value[:custom_messages].is_a?(Hash)
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YAML.dump(self.value[:custom_messages])
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else
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self.value = {custom_messages: YAML.load(self.value[:custom_messages])}
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end
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rescue => e
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self.errors.add(:base, e.message)
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return false
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end
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end
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end

‎app/views/custom_message_settings/_messages.html.erb‎

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<% lang ||= 'en' %>
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<div>Add key: <%= select_tag 'select-key', options_for_select(available_message_options(lang)), id: 'key-selector' %></div>
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<br>
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<div class='tabular'>
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<%= normal_mode_input_fields(@setting, lang) %>
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</div>
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<%= javascript_tag do %>
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$(document).ready(function() {
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$("#key-selector").select2({
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width: '100%',
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placeholder: '変更したい文字を検索してください',
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});
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});
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$('#key-selector').on('select2:select', function (e) {
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var data = e.params.data;
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if($('input[name="settings[custom_messages[' + data.id + ']]"]').length === 0){
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$('<p></p>').prependTo($('#edit-custom-messages .tabular'));
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$('<label>' + data.id + '</label><br>').appendTo($('#edit-custom-messages .tabular p:first'));
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$('<input>').attr({
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type: 'text',
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value: data.text.replace(/.*: /, ''),
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name: 'settings[custom_messages[' + data.id + ']]'
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}).appendTo($('#edit-custom-messages .tabular p:first'));
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$('<a>').attr({
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class: 'icon-only icon-del clear-key-link',
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href: '#',
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onclick: '$(this).closest("p").remove();; return false;'
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}).appendTo($('#edit-custom-messages .tabular p:first'));
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$('#key-selector').val('');
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}
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});
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<% end %>

‎app/views/custom_message_settings/_normal_tab.html.erb‎

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<%= form_tag custom_message_settings_path, method: :patch do %>
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<label><%= l(:field_language) %>: </label><%= select_tag 'lang', options_for_select(languages_options, @lang), include_blank: true, data: {remote: true, url: url_for(action: :edit)} %>
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<hr>
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<div id='edit-custom-messages'>
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<%= render 'custom_message_settings/messages', lang: @lang %>
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</div>
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<%= submit_tag l(:button_save) %>
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<% end %>

‎app/views/custom_message_settings/_yaml_tab.html.erb‎

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<%= form_tag custom_message_settings_path, method: :patch do %>
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<div class='help-message wiki'>
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<p><%= l(:text_help_for_input_format) %></p>
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<p><%= l(:text_placeholder_template_case) %></p>
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<pre><%= l(:text_placeholder_template) %></pre>
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</div>
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<%= text_area_tag 'settings[custom_messages_yaml]', @setting.custom_messages_to_yaml, rows: '20', style: 'width: 100%', placeholder: l(:text_placeholder_template) %>
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<%= submit_tag l(:button_save) %>
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<% end %>

‎app/views/custom_message_settings/edit.html.erb‎

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<%= stylesheet_link_tag('custom_messages', plugin: 'redmine_message_customize') %>
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<%= stylesheet_link_tag('select2.min', plugin: 'redmine_message_customize') %>
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<%= javascript_include_tag('select2.min', plugin: 'redmine_message_customize') %>
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<h2><%= l(:label_custom_messages) %></h2>
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<% if @setting.errors.any? %>
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<%= error_messages_for(@setting) %>
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<% end %>
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<%= render_tabs (@setting.errors.any? ? [] : [{name: 'normal', partial: 'normal_tab', label: 'label_normal_tab'}]) + [{name: 'yaml', partial: 'yaml_tab', label: 'label_yaml_tab'}] %>

‎app/views/custom_message_settings/edit.js.erb‎

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$('#edit-custom-messages').html("<%= j (render 'custom_message_settings/messages', lang: @lang) %>");

‎assets/javascripts/select2.min.js‎

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