function media_library_field_attach_presave in Media Library 7

Implements hook_field_attach_presave().

File

./media_library.module, line 118

Restricts the media library to only designated files.

Code

function media_library_field_attach_presave($entity_type, $entity) {

  // Find the entity's bundle.
  list(, , $bundle) = entity_extract_ids($entity_type, $entity);

  // Examine every field instance attached to this entity's bundle.
  foreach (field_info_instances($entity_type, $bundle) as $field_name => $instance) {

    // Load the instance's field info.
    $field = field_info_field($instance['field_name']);

    // Load the instance's field instance info.
    $instance = field_info_instance($entity_type, $field_name, $bundle);

    // Check if the instance is a file or image field.
    if ($field['type'] == 'file' || $field['type'] == 'image') {
      if (!empty($entity->{$field_name})) {
        foreach ($entity->{$field_name} as $langcode => $items) {
          foreach ($items as $delta => $item) {

            // Add or remove the file from the media library depending on the
            // field instance setting.
            if (isset($instance['settings']['media_library_include_in_library'])) {
              $file = file_load($item['fid']);
              $file->library = $instance['settings']['media_library_include_in_library'];
              file_save($file);
            }
          }
        }
      }
    }
  }
}