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Describing Records: to_label
cntrytwist edited this page Sep 14, 2010
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When ActiveScaffold needs to present a string description of a record, it searches through a common list of record properties looking for something that responds. The search set, in order, is: :to_label
, :name
, :label
, :title
, and finally :to_s
. So if your schema already has one of those fields, it’ll be automatically used. But you can always define a to_label method to customize the string description.
Example:
class User < ActiveRecord::Base
- ActiveScaffold will automatically use this name method to describe a
- record of this type
def name
“#{first_name} #{last_name}”
end
end
class ForumPost < ActiveRecord::Base
- Assuming that every Post has a title attribute, ActiveScaffold will
#automatically use that to describe a record of this type
end
class Car < ActiveRecord::Base
- But you can always just define your own to_label method
def to_label
“#{year} #{model}”
end
end