function getSource()
{
if (!$this->source) {
if ($this->useCache) {
$this->source = $this->getCachedHierarchy((int) $this->parentID);
} else {
$this->source = $this->getHierarchy((int) $this->parentID);
}
}
return parent::getSource();
}
function __construct($name, $title = "", $sourceClass = "SiteTree", $value = "", $labelField = "Title", $form = null, $emptyString = null, $parentID = 0)
{
$this->sourceClass = $sourceClass;
$this->labelField = $labelField;
parent::__construct($name, $title, $this->getHierarchy((int) $parentID), $value, $form, $emptyString);
}