function entityqueue_subqueue_shuffle_validate in Entityqueue 7

Validation callback to shuffle items in the subqueue.

1 string reference to 'entityqueue_subqueue_shuffle_validate'

entityqueue_subqueue_edit_form in includes/entityqueue.admin.inc

Form callback; Displays the subqueue edit form.

File

includes/entityqueue.admin.inc, line 161

Administrative pages for Entity Queue.

Code

function entityqueue_subqueue_shuffle_validate($form, &$form_state) {
  $queue = $form_state['entityqueue_queue'];
  $field_name = _entityqueue_get_target_field_name($queue->target_type);
  $lang = $form[$field_name]['#language'];
  foreach (array(
    'input',
    'values',
  ) as $state) {
    if (isset($form_state[$state][$field_name][$lang])) {
      $field_values = $form_state[$state][$field_name][$lang];
      foreach ($field_values as $key => $value) {
        if (!is_numeric($key) || empty($value['target_id']) || $value['target_id'] == '_none') {
          unset($field_values[$key]);
        }
      }
      shuffle($field_values);

      // Set weights according to their new order.
      foreach ($field_values as $key => $value) {
        if (is_numeric($key)) {
          $field_values[$key]['_weight'] = $key;
        }
      }
      $form_state[$state][$field_name][$lang] = $field_values;
    }
  }
}