function file_field_prepare_view

Implements hook_field_prepare_view().

File

drupal/core/modules/file/file.field.inc, line 185

Field module functionality for the File module.

Code

function file_field_prepare_view($entity_type, $entities, $field, $instances, $langcode, &$items) {

  // Remove files specified to not be displayed.
  $fids = array();
  foreach ($entities as $id => $entity) {
    foreach ($items[$id] as $delta => $item) {
      if (!file_field_displayed($item, $field)) {
        unset($items[$id][$delta]);
      }
      elseif (!empty($item['fid'])) {

        // Load the files from the files table.
        $fids[] = $item['fid'];
      }
    }

    // Ensure consecutive deltas.
    $items[$id] = array_values($items[$id]);
  }
  $files = file_load_multiple($fids);
  foreach ($entities as $id => $entity) {
    foreach ($items[$id] as $delta => $item) {

      // If the file does not exist, mark the entire item as empty.
      if (empty($item['fid']) || !isset($files[$item['fid']])) {
        $items[$id][$delta] = NULL;
      }
      else {
        $items[$id][$delta] = array_merge($item, (array) $files[$item['fid']]);
      }
    }
  }
}