function file_entity_field_widget_form_alter in File Entity (fieldable files) 7.3

hook_field_widget_form_alter

File

./file_entity.module, line 2748

Extends Drupal file entities to be fieldable and viewable.

Code

function file_entity_field_widget_form_alter(&$element, &$form_state, $context) {

  // This hook is used to prepopulate the alt and title field in any image field widget,
  // with the values which are set in the file_entity fields,
  // but ONLY if there is a alt/title set in the original file entity,
  // and ONLY if the values are empty.
  if ($context['field']['type'] == 'image') {
    foreach (element_children($element) as $delta) {
      $fid = $element[$delta]['#default_value']['fid'];
      $file = entity_load('file', array(
        $fid,
      ), $conditions = array(), $reset = FALSE);
      if ($file) {

        // not 100% sure whether this is the right langcode to use, when entity translations are enabled.
        $langcode = $context['langcode'];
        $alt_field = field_get_items('file', $file[$fid], 'field_file_image_alt_text', $langcode);
        $title_field = field_get_items('file', $file[$fid], 'field_file_image_title_text', $langcode);
        if (!empty($alt_field[0]['value']) && empty($element[$delta]['#default_value']['alt'])) {
          $element[$delta]['#default_value']['alt'] = $alt_field[0]['value'];
        }
        if (!empty($title_field[0]['value']) && empty($element[$delta]['#default_value']['title'])) {
          $element[$delta]['#default_value']['title'] = $title_field[0]['value'];
        }
      }
    }
  }
}