/**
* get value of a single composite field
*
* @param string $field
* @return mixed
*/
public function getField($field)
{
// Skip invalid fields
$fields = $this->compositeDatabaseFields();
if (!isset($fields[$field])) {
return null;
}
// Check bound object
if ($this->record instanceof DataObject) {
$key = $this->getName() . $field;
return $this->record->getField($key);
}
// Check local record
if (isset($this->record[$field])) {
return $this->record[$field];
}
return null;
}
/**
* Get the list of extra data from the $record as saved into it by
* {@see Form::saveInto()}
*
* Handles detection of falsey values explicitly saved into the
* DataObject by formfields
*
* @param DataObject $record
* @param SS_List $list
* @return array List of data to write to the relation
*/
protected function getExtraSavedData($record, $list)
{
// Skip extra data if not ManyManyList
if (!$list instanceof ManyManyList) {
return null;
}
$data = array();
foreach ($list->getExtraFields() as $field => $dbSpec) {
$savedField = "ManyMany[{$field}]";
if ($record->hasField($savedField)) {
$data[$field] = $record->getField($savedField);
}
}
return $data;
}
