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62 lines
2.2 KiB
Ruby
62 lines
2.2 KiB
Ruby
module ActiveModel
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module Translation
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include ActiveModel::Naming
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# Returns the i18n_scope for the class. Overwrite if you want custom lookup.
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def i18n_scope
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:activemodel
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end
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# When localizing a string, goes through the lookup returned by this method.
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# Used in ActiveModel::Name#human, ActiveModel::Errors#full_messages and
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# ActiveModel::Translation#human_attribute_name.
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def lookup_ancestors
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self.ancestors.select { |x| x.respond_to?(:model_name) }
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end
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# Transforms attributes names into a more human format, such as "First name" instead of "first_name".
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#
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# Example:
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#
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# Person.human_attribute_name("first_name") # => "First name"
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#
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# Specify +options+ with additional translating options.
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def human_attribute_name(attribute, options = {})
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defaults = lookup_ancestors.map do |klass|
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:"#{klass.model_name.underscore}.#{attribute}"
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end
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defaults << options.delete(:default) if options[:default]
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defaults << attribute.to_s.humanize
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options.reverse_merge! :scope => [self.i18n_scope, :attributes], :count => 1, :default => defaults
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I18n.translate(defaults.shift, options)
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end
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# Model.human_name is deprecated. Use Model.model_name.human instead.
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def human_name(*args)
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ActiveSupport::Deprecation.warn("human_name has been deprecated, please use model_name.human instead", caller[0,1])
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model_name.human(*args)
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end
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end
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class Name < String
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# Transform the model name into a more humane format, using I18n. By default,
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# it will underscore then humanize the class name (BlogPost.human_name #=> "Blog post").
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# Specify +options+ with additional translating options.
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def human(options={})
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return @human unless @klass.respond_to?(:lookup_ancestors) &&
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@klass.respond_to?(:i18n_scope)
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defaults = @klass.lookup_ancestors.map do |klass|
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klass.model_name.underscore.to_sym
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end
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defaults << options.delete(:default) if options[:default]
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defaults << @human
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options.reverse_merge! :scope => [@klass.i18n_scope, :models], :count => 1, :default => defaults
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I18n.translate(defaults.shift, options)
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end
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end
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end
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