Infomer Hooks

gistfile1.txt

class Informer {
	
	static protected $hooks = array();
	protected $hook_event;

	// --------------------------------------------------------------------
	// Hook management
	
	/**
	 * _register hook
	 *
	 * @access	private
	 * @param	string
	 * @return	void
	 */	
	private function _register_hook($hook) 
	{
    		if( ! isset(self::$hooks[$hook]))
		{
			require_once PATH_THIRD.'informer/hooks/'.$hook.'_pi'.EXT;
			self::$hooks[] = $hook;
		}
  	}

	/**
	 * _unregister hook
	 *
	 * @access	private
	 * @param	string
	 * @return	void
	 */	
	private function _unregister_hook($hook) 
	{
		if( isset(self::$hooks[$hook]))
		{
			unset(self::$hooks[$hook]);
		} 
		else 
		{
			throw new Exception('Informer: no such hook');
		}
  	}
	
	/**
	 * __call magic method
	 *
	 * @access	public
	 * @param	string
	 * @param	array
	 * @return	array
	 */	
	public function __call($hook, $args) 
	{	
    		if ( ! in_array($hook, self::$hooks)) 
		{	
			$this->_register_hook($hook);	
		}		
		$hook = ucfirst($hook);
		$hook_obj =& new $hook();
      		return call_user_func_array(array(&$hook_obj, $this->hook_event), $args);	
  	}

  	// continued...

}

// --------------------------------------------------------------------------

// ...call hooks like this...
$this->hook_event = 'validate_end'; 
$this->{$hook}($data);

// --------------------------------------------------------------------------

/**
 * Informer_hook Class
 *
 * abstract for hooks
 *
 * @package Informer
 */
abstract class Informer_hook {
	
	protected $EE;

	public function __construct() 
	{
		$this->EE =& get_instance();
	}
	
	abstract public function form_start(&$data);
	abstract public function validate_end(&$data);
	abstract public function form_end(&$data);
	abstract public function email_start(&$config, &$report);
}