get_field('data_content', 'content', array('fieldid'=>$this->field->id, 'recordid'=>$recordid)); $content = trim($content); } else { $content = ''; } $str = '

'; $rawoptions = explode("\n",$this->field->param1); foreach ($rawoptions as $option) { $option = trim($option); if ($option) { $options[$option] = $option; } } $str .= html_writer::select($options, 'field_'.$this->field->id, $content, array(''=>get_string('menuchoose', 'data')), array('id'=>'field_'.$this->field->id)); $str .= '

'; return $str; } function display_search_field($content = '') { global $CFG, $DB, $OUTPUT; $usedoptions = array(); $sql = "SELECT DISTINCT content FROM {data_content} WHERE fieldid=? AND content IS NOT NULL"; if ($used = $DB->get_records_sql($sql, array($this->field->id))) { foreach ($used as $data) { $value = $data->content; if ($value === '') { continue; } $usedoptions[$value] = $value; } } $options = array(); foreach (explode("\n",$this->field->param1) as $option) { $option = trim($option); if (!isset($usedoptions[$option])) { continue; } $options[$option] = $option; } if (!$options) { // oh, nothing to search for return ''; } return html_writer::select($options, 'f_'.$this->field->id, $content, array(''=>' ')); } function parse_search_field() { return optional_param('f_'.$this->field->id, '', PARAM_NOTAGS); } function generate_sql($tablealias, $value) { static $i=0; $i++; $name = "df_menu_$i"; return array(" ({$tablealias}.fieldid = {$this->field->id} AND {$tablealias}.content = :$name) ", array($name=>$value)); } }