public function __construct($spec = '', $options = '')
{
parent::__construct($spec, $options);
$table = new KeyTable();
$select = $table->select();
$select->order(KeyTable::COL_FILENAME);
$rowset = $table->fetchAll($select);
$array = $rowset->toArray();
$optArray = array(null => 'Please select');
foreach ($array as $value) {
$optArray = $optArray + array($value[KeyTable::COL_ID] => $value[KeyTable::COL_FILENAME] . ' (' . $value[KeyTable::COL_NAME] . ')');
}
$this->setMultiOptions($optArray);
}