function file_aliases_filefield_field in File Aliases 6

Implements CCK's hook_field($op = 'sanitize').

File

modules/filefield.inc, line 94

Contains FileField module integration for the File Aliases module.

Code

function file_aliases_filefield_field($op, $node, $field, &$items, $teaser, $page) {
  if ($op == 'sanitize') {
    foreach ($items as $delta => $item) {

      // Cleanup $items during node preview.
      if (empty($item['fid']) || !empty($item['delete'])) {

        // Check for default images at the widget level.
        // TODO: Provide an API to ImageField to do this itself?
        if (!empty($field['widget']['use_default_image']) && !empty($field['widget']['default_image']['filepath'])) {
          $items[$delta] = $field['widget']['default_image'];
          $items[$delta]['default'] = TRUE;
        }
        else {
          $items[$delta] = NULL;
          continue;
        }
      }

      // Load the complete file if a filepath is not available.
      if (!empty($item['fid']) && empty($item['filepath'])) {
        $items[$delta] = array_merge($item, field_file_load($item['fid']));
      }

      // Add nid so formatters can create a link to the node.
      $items[$delta]['nid'] = $node->nid;

      // Calculate relative path.
      $path = variable_get('file_downloads', FILE_DOWNLOADS_PUBLIC) == FILE_DOWNLOADS_PUBLIC ? '' : base_path();
      foreach (explode('/', file_directory_path()) as $dir) {
        $path .= '../';
      }
      if (($alias = drupal_get_path_alias('filefield_paths/alias/' . $items[$delta]['fid'])) !== 'filefield_paths/alias/' . $items[$delta]['fid'] && _file_aliases_display_alias($field['type_name'], $field['field_name'])) {
        $items[$delta]['origpath'] = $items[$delta]['filepath'];
        $items[$delta]['filepath'] = file_directory_path() . '/' . $path . $alias;
      }

      // TODO: This is only necessary for Views, which doesn't call the "load"
      // $op. It might be preferable to move this to Views integration somehow.
      if (!empty($items['data']) && is_string($items[$delta]['data'])) {
        $item['data'] = unserialize($item['data']);
      }

      // Temporary fix to unserialize data serialized multiple times.
      // See the FileField issue http://drupal.org/node/402860.
      // And the CCK issue http://drupal.org/node/407446.
      while (!empty($items[$delta]['data']) && is_string($items[$delta]['data'])) {
        $items[$delta]['data'] = unserialize($items[$delta]['data']);
      }

      // Verify the file exists on the server.
      if (!empty($item['filepath']) && !file_exists($item['filepath'])) {
        watchdog('filefield', 'FileField was trying to display the file %file, but it does not exist.', array(
          '%file' => $item['filepath'],
        ));
      }
    }
  }
}