/**
* Fires an Event.
*
* The Event gets created, passed around and then returned to the issuer.
*
* @param mixed $input Object for direct event, string for system event or notifierEvent
* @todo Implement Application Events
* @todo Implement Directory input for Events from other locations (like Modules)
*
* @return \FuzeWorks\Event The Event
*/
public static function fireEvent($input)
{
if (is_string($input)) {
// If the input is a string
$eventClass = $input;
$eventName = $input;
if (!class_exists($eventClass)) {
// Check if the file even exists
$file = Core::$coreDir . DS . 'Events' . DS . 'event.' . $eventName . '.php';
if (file_exists($file)) {
// Load the file
$eventClass = "\\FuzeWorks\\Event\\" . $eventClass;
include_once $file;
} else {
// No event arguments? Looks like a notify-event
if (func_num_args() == 1) {
// Load notify-event-class
$eventClass = '\\FuzeWorks\\Event\\NotifierEvent';
} else {
// No notify-event: we tried all we could
throw new EventException('Event ' . $eventName . ' could not be found!');
}
}
}
$event = new $eventClass($this);
} elseif (is_object($input)) {
$eventName = get_class($input);
$eventName = explode('\\', $eventName);
$eventName = end($eventName);
$event = $input;
} else {
// INVALID EVENT
return false;
}
if (self::$enabled) {
Logger::newLevel("Firing Event: '" . $eventName . "'");
Logger::log('Initializing Event');
}
if (func_num_args() > 1) {
call_user_func_array(array($event, 'init'), array_slice(func_get_args(), 1));
}
// Do not run if the event system is disabled
if (!self::$enabled) {
return $event;
}
Logger::log('Checking for Listeners');
// Read the event register for listeners
$register = self::$register;
if (isset($register[$eventName])) {
for ($i = 0; $i < count($register[$eventName]); ++$i) {
Modules::get($register[$eventName][$i]);
}
}
//There are listeners for this event
if (isset(self::$listeners[$eventName])) {
//Loop from the highest priority to the lowest
for ($priority = EventPriority::getHighestPriority(); $priority <= EventPriority::getLowestPriority(); ++$priority) {
//Check for listeners in this priority
if (isset(self::$listeners[$eventName][$priority])) {
$listeners = self::$listeners[$eventName][$priority];
Logger::newLevel('Found listeners with priority ' . EventPriority::getPriority($priority));
//Fire the event to each listener
foreach ($listeners as $callback) {
if (is_callable($callback)) {
Logger::newLevel('Firing function');
} elseif (!is_string($callback[0])) {
Logger::newLevel('Firing ' . get_class($callback[0]) . '->' . $callback[1]);
} else {
Logger::newLevel('Firing ' . implode('->', $callback));
}
try {
call_user_func($callback, $event);
} catch (ModuleException $e) {
Logger::exceptionHandler($e);
}
Logger::stopLevel();
}
Logger::stopLevel();
}
}
}
Logger::stopLevel();
return $event;
}
/**
* Initializes the core.
*
* @throws \Exception
*/
public static function init()
{
// Set the CWD for usage in the shutdown function
self::$cwd = getcwd();
// Set the core dir for when the loading of classes is required
self::$coreDir = dirname(__DIR__);
// If the environment is not yet defined, use production settings
if (!defined('ENVIRONMENT')) {
define('ENVIRONMENT', 'PRODUCTION');
}
// Defines the time the framework starts. Used for timing functions in the framework
if (!defined('STARTTIME')) {
define('STARTTIME', microtime(true));
define('DS', DIRECTORY_SEPARATOR);
}
// Load basics
ignore_user_abort(true);
register_shutdown_function(array('\\FuzeWorks\\Core', 'shutdown'));
// Load core functionality
new Factory();
// Load the config file of the FuzeWorks core
$config = Config::get('core');
// Disable events if requested to do so
if (!$config->enable_events) {
Events::disable();
}
// Build all the registers for correct operation, if modules are enabled
if ($config->enable_modules) {
Modules::buildRegister($config->registry_caching, $config->registry_caching_method, $config->registry_caching_time);
}
// And fire the coreStartEvent
$event = Events::fireEvent('coreStartEvent');
if ($event->isCancelled()) {
return true;
}
// And initialize multiple classes
Layout::init();
Language::init();
}