/**
* Sets the Session instance to this controller, reads the current site and node from the session.
* @return null
*/
public function preAction()
{
$this->session = $this->getSession();
$siteId = $this->session->get(self::SESSION_SITE);
if ($siteId) {
try {
$this->site = $this->models[SiteModel::NAME]->getSite($siteId);
} catch (ZiboException $e) {
$this->site = null;
}
}
$nodeId = $this->session->get(self::SESSION_NODE);
if ($nodeId) {
try {
$this->node = $this->models[NodeModel::NAME]->getNode($nodeId);
} catch (ZiboException $e) {
$this->node = null;
}
}
}
/**
* Gets a variable of this wizard
* @param string $name Name of the variable
* @param mixed $default Default value for the variable
* @return mixed Value of the variable if it's set, the default value otherwise
*/
public function getVariable($name, $default = null)
{
$variables = $this->session->get($this->name, array());
if (array_key_exists($name, $variables)) {
return $variables[$name];
}
return $default;
}
/**
* Gets the stored username from the session
* @return string Stored username if set, null otherwise
*/
protected function getSwitchedUsername()
{
return $this->session->get(self::SESSION_SWITCHED_USERNAME);
}