function imagefield_file_references in ImageField 6.3

Implementation of hook_file_references().

File

./imagefield_file.inc, line 29

hook_file and imagefield file functions.

Code

function imagefield_file_references($file) {
  $file = (object) $file;
  $count = 0;

  // We currently only check if images are in use when deleting from content
  // type default images. All other reference counting is left to FileField.
  if (isset($file->imagefield_type_name)) {
    $content_types = content_types();
    foreach ($content_types as $type_name => $content_type) {
      if ($type_name != $file->imagefield_type_name) {
        foreach ($content_type['fields'] as $field_name => $field) {
          if ($field['widget']['default_image'] && $field['widget']['default_image']['fid'] == $file->fid) {
            $count++;
          }
        }
      }
    }
  }
  return $count ? array(
    'imagefield' => $count,
  ) : NULL;
}