Nextras\Forms\Controls\Fragments\ComponentControlTrait::signalReceived PHP 메소드

    public function signalReceived($signal)
    {
        if (!$this->tryCall($this->formatSignalMethod($signal), $this->params)) {
            $class = get_class($this);
            throw new BadSignalException("There is no handler for signal '{$signal}' in class {$class}.");
        }
    }