instance method
radio_button
Ruby on Rails 8.1.2
Since v2.2.3Signature
radio_button(object_name, method, tag_value, options = {})Returns a radio button tag for accessing a specified attribute (identified by method) on an object assigned to the template (identified by object). If the current value of method is tag_value the radio button will be checked.
To force the radio button to be checked pass checked: true in the options hash. You may pass HTML options there as well.
# Let's say that @article.category returns "rails": radio_button("article", "category", "rails") radio_button("article", "category", "java") # => <input type="radio" id="article_category_rails" name="article[category]" value="rails" checked="checked" /> # <input type="radio" id="article_category_java" name="article[category]" value="java" /> # Let's say that @user.receive_newsletter returns "no": radio_button("user", "receive_newsletter", "yes") radio_button("user", "receive_newsletter", "no") # => <input type="radio" id="user_receive_newsletter_yes" name="user[receive_newsletter]" value="yes" /> # <input type="radio" id="user_receive_newsletter_no" name="user[receive_newsletter]" value="no" checked="checked" />
Parameters
-
object_namereq -
methodreq -
tag_valuereq -
optionsopt = {}
Source
# File actionview/lib/action_view/helpers/form_helper.rb, line 1369
def radio_button(object_name, method, tag_value, options = {})
Tags::RadioButton.new(object_name, method, self, tag_value, options).render
end
Defined in actionview/lib/action_view/helpers/form_helper.rb line 1369
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Defined in ActionView::Helpers::FormHelper