Custom form radios process function.
Roll out a single radios element to a list of radios, using the options array as index. While doing that, create a container element underneath each option, which contains the settings related to that option.
public static function processContainerRadios($element) {
if (count($element['#options']) > 0) {
foreach ($element['#options'] as $key => $choice) {
$element += array(
$key => array(),
);
// Generate the parents as the autogenerator does, so we will have a
// unique id for each radio button.
$parents_for_id = array_merge($element['#parents'], array(
$key,
));
$element[$key] += array(
'#type' => 'radio',
'#title' => $choice,
// The key is sanitized in drupal_attributes() during output from the
// theme function.
'#return_value' => $key,
'#default_value' => isset($element['#default_value']) ? $element['#default_value'] : NULL,
'#attributes' => $element['#attributes'],
'#parents' => $element['#parents'],
'#id' => drupal_html_id('edit-' . implode('-', $parents_for_id)),
'#ajax' => isset($element['#ajax']) ? $element['#ajax'] : NULL,
);
$element[$key . '_options'] = array(
'#type' => 'container',
'#attributes' => array(
'class' => array(
'views-admin-dependent',
),
),
);
}
}
return $element;
}