/**
* Adds restriction (a binding between the display and item type)
*
* @param int $pn_type_id the type
* @param array $pa_settings Array of options for the restriction. (No options are currently implemented).
* @return bool True on success, false on error, null if no screen is loaded
*
*/
public function addTypeRestriction($pn_type_id, $va_settings = null)
{
if (!($vn_display_id = $this->getPrimaryKey())) {
return null;
}
// display must be loaded
if (!is_array($va_settings)) {
$va_settings = array();
}
if (!($t_instance = $this->_DATAMODEL->getInstanceByTableNum($this->get('table_num')))) {
return false;
}
$va_type_list = $t_instance->getTypeList();
if (!isset($va_type_list[$pn_type_id])) {
return false;
}
$t_restriction = new ca_bundle_display_type_restrictions();
if ($this->inTransaction()) {
$t_restriction->setTransaction($this->getTransaction());
}
$t_restriction->setMode(ACCESS_WRITE);
$t_restriction->set('table_num', $this->get('table_num'));
$t_restriction->set('type_id', $pn_type_id);
$t_restriction->set('display_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;
}
