38     private static function create($class, $action) {  argument
40         return ($handler->action() != $action) ? NULL : $handler;
56 	private function unique($classes, $action) {  argument
59 			$new = $this->create($class, $action);
64 			if ($new && $new->action() == $action) {
79 	 * @param string $action the action to be peformed;
82 	public function act(&$action) {  argument
84 		if (is_array($action))
85 			list($action) = array_keys($action);
92 		$components = explode('.', $action);
95 		$action = implode('.', $components);
97 		$this->load($path, $action);
99 		$this->handler = $this->unique($this->handlers, $action);
100 		$this->renderer = $this->unique($this->renderers, $action);
103         if (!actionOK($action)) {
104             msg('action disabled: ' . htmlspecialchars($action), -1);
105             $action = 'show';
106             return self::act($action);
115             $action = 'denied';
116             return $this->act($action);
122         if ($new_action && $new_action !== $action) {
123         	$action = $new_action;
124             return $this->act($action);
133      * @param type $action the action to display
136     public function render($action) {  argument
138 		if (is_array($action)) {
140 			foreach ($action as $act => $x)