/** * Add fields for search properties to this form. * @param FORM $form * @param boolean $extra_visibility Default visibility for extra search fields. */ public function add_fields($form, $extra_visibility = true) { $field = new TEXT_FIELD(); $field->id = 'search_text'; $field->caption = 'Search'; $field->tag_validator_type = Tag_validator_none; $form->add_field($field); foreach ($this->_sets as $set) { $set->add_fields($form); } }