/**
* Add a listener.
*
* @param string $target
* @param string|callable $type
* @param callable $callback
*
* @return Guard
*
* @throws InvalidArgumentException
*/
public function on($target, $type, $callback = null)
{
if (is_null($callback)) {
$callback = $type;
$type = '*';
}
if (!is_callable($callback)) {
throw new InvalidArgumentException('The linstener is not callable.');
}
$type = strtolower($type);
$listeners = $this->listeners->get("{$target}.{$type}") ?: [];
array_push($listeners, $callback);
$this->listeners->set("{$target}.{$type}", $listeners);
return $this;
}
/**
* 魔术调用
*
* @param string $method
* @param array $args
*
* @return mixed
*/
public function __call($method, $args)
{
if (in_array($method, $this->events, true)) {
$callback = array_shift($args);
is_callable($callback) && $this->listeners->set($method, $callback);
return;
}
}
/**
* Override parent set() method.
*
* @param string $attribute
* @param mixed $value
*/
public function set($attribute, $value = null)
{
parent::set($this->getRealKey($attribute), $value);
}
/**
* Override parent set() method.
*
* @param string $attribute
* @param mixed $value
*/
public function set($attribute, $value = null)
{
if ($alias = array_search($attribute, $this->aliases, true)) {
$attribute = $alias;
}
return parent::set($attribute, $value);
}
