/**
* Creates a transition Object
*
* @param SimpleXMLElement $xml containing the structure of the imported workflow
* @param array &$xmlMapping containig the newly created formElements idexed by their XML IDs
*
* @return Transition The transition object, or null if error
*/
public function getInstanceFromXML($xml, &$xmlMapping)
{
$from = null;
if ((string) $xml->from_id['REF'] != 'null') {
$from = $xmlMapping[(string) $xml->from_id['REF']];
}
$to = $xmlMapping[(string) $xml->to_id['REF']];
$transition = new Transition(0, 0, $from, $to);
$postactions = array();
if ($xml->postactions) {
$tpaf = new Transition_PostActionFactory();
foreach (array('postaction_field_date', 'postaction_field_int', 'postaction_field_float') as $post_action_type) {
foreach ($xml->postactions->{$post_action_type} as $p) {
$postactions[] = $tpaf->getInstanceFromXML($p, $xmlMapping, $transition);
}
}
}
$transition->setPostActions($postactions);
//Permissions on transition
if ($xml->permissions) {
$permissions = array();
foreach ($xml->permissions->permission as $perm) {
$ugroup = (string) $perm['ugroup'];
if (isset($GLOBALS['UGROUPS'][$ugroup])) {
$permissions[] = $GLOBALS['UGROUPS'][$ugroup];
}
$transition->setPermissions($permissions);
}
}
return $transition;
}