如何避免Globalize3将属性的后备转换返回到特定上下文中? [英] How to avoid Globalize3 from returning fallback translations for an attribute into a specific context?

问题描述

我正在使用Globalize3和easy_globalize_accesors进行网站的国际化/本地化，现在我正在调整表单以管理可能的翻译字段. 假设我有一个名为Role的类:

I'm working in the internationalization/localization of web site using Globalize3 and easy_globalize_accesors and right now I'm adapting the forms to manage fields with possible translations. Suppose I have a class named Role:

class Role  
  translates :name, :fallbacks_for_empty_translations => true
  # rest of class definition

之所以这样做，是因为我想显示默认翻译，如果当前语言环境中没有翻译或该翻译为空并且可以正常工作.
但是，以我的形式，我要相反:我希望每个输入所引用的语言环境都不同于默认语言环境，以便不显示任何值，除非role_translations表中该属性具有值.这是我创建输入的方法:

I've done this because I want to show the default translation if there isn't a translation or is empty in the current locale and this works as expected.
But, in my form I want the opposite: I would like to have each input who refers to a different locale than default locale to show no value unless there is a value for that attribute in the role_translations table. Here is how I've created the inputs:

<%= textfield 'role', "name_#{locale}", :class => ... %> 

当前，发生的事情是如果我创建了一个仅包含默认语言环境翻译的新角色，当我要编辑角色以将翻译添加到其他语言环境时，每个输入都向我显示默认翻译的值.
预先感谢

Currently, what happens to me is if I have created a new Role with only the translation for the default locale, when I want to edit the role to add translations to other locales, each input show me the value of default translation.
Thanks in advance

推荐答案

您可以在模型中实现此方法:

You can implement this method in your model:

  def read_translated_attribute(name)
    globalize.stash.contains?(Globalize.locale, name) ? globalize.stash.read(Globalize.locale, name) : translation_for(Globalize.locale).send(name)
  end

然后，您只需要在表单中显式设置输入值，就像这样:

Then you'll just need to set the input values in your form explicitely, like this:

<%= text_field 'role', "name_#{locale}", :value => @role.read_translated_attribute(:name), :class => ... %>

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