gistfile1.txt

class views_handler_filter_entity_type extends views_handler_filter_in_operator {
  function get_value_options() {
    if (!isset($this->value_options)) {
      $table_data = views_fetch_data($this->view->base_table);
      $this->entity_type = $table_data['table']['entity type'];
      $info = entity_get_info($this->entity_type);
      $types = $info['bundles'];
      $this->value_title = t('@entity types', array('@entity' => $info['label']));

      $options = array();
      foreach ($types as $type => $info) {
        $options[$type] = t($info['label']);
      }
      asort($options);
      $this->value_options = $options;
    }
  }
}