public function formatValue($key = null)
{
if ($key == null) {
return '';
}
// value is already available (foreign key with no specific constraint in it
if (isset($this->_enumValues[$key])) {
return $this->_enumValues[$key];
}
// value no more available to select, though we need to display it !
if (is_string($key)) {
$uri = new ObjectModel\ObjectUri($key);
$uri->setClass($this->getCollection()->getClass());
$_do = clone $this->_collection->getDataObject();
$_do->setUri($uri);
Backend::read($_do);
} else {
$_do = $key->getDataObject();
}
return Property::parseDisplayProperty($_do, $this->getParameter('display'));
}
