/**
* Adds restriction (a binding between a specific item and optional type and the attribute)
*
* $pn_table_num: the number of the table to bind to
*
*/
public function addTypeRestriction($pn_table_num, $pn_type_id, $va_settings)
{
if (!($vn_element = $this->getPrimaryKey())) {
return null;
}
// element must be loaded
if ($this->get('parent_id')) {
return null;
}
// element must be root of hierarchy
if (!is_array($va_settings)) {
$va_settings = array();
}
$t_restriction = new ca_metadata_type_restrictions();
$t_restriction->setMode(ACCESS_WRITE);
$t_restriction->set('table_num', $pn_table_num);
$t_restriction->set('type_id', $pn_type_id);
$t_restriction->set('element_id', $this->getPrimaryKey());
foreach ($va_settings as $vs_setting => $vs_setting_value) {
$t_restriction->setSetting($vs_setting, $vs_setting_value);
}
$t_restriction->insert();
if ($t_restriction->numErrors()) {
$this->errors = $t_restriction->errors();
return false;
}
return true;
}
