radio_button(object_name, method, tag_value, options = {}) public

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. Additional options on the input tag can be passed as a hash with options.


  # Let's say that @post.category returns "rails":
  radio_button("post", "category", "rails")
  radio_button("post", "category", "java")
  # => <input type="radio" id="post_category_rails" name="post[category]" value="rails" checked="checked" />
  #    <input type="radio" id="post_category_java" name="post[category]" value="java" />

  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" />
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