<?php
/**
 * Simple AJAX stub: Event Trigger
 *
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage base
 */

WBClass::load('WBAjax');

/**
 * Simple AJAX stub: Event Trigger
 *
 * Trigger event using AJAX Call
 *
 * @version 0.1.1
 * @package WB
 * @subpackage base
 */
class WBAjax_EventTrigger extends WBAjax
{
    /**
     * Config
     * @var WBConfig
     */
    protected $config;

    /**
     * Second construcotr
     * 
     * Called by constructer of super class.
     * @see include/WB/WBAjax#init()
     */
    protected function init()
    {
        $this->config   =   WBClass::create('WBConfig');
        $this->config->load('event/trigger');
    }
    
    /**
     * Trigger Event
     * 
     * @return string comment list HTML
     */
    protected function trigger()
    {
        $name   =   $this->req->get('__name', '');
        $config =   $this->config->get('trigger/' . $name, array());
        if (empty($config)) {
            // no event found
            return 1;
        }
        if (empty($config['event'])) {
            // empty event
            return 1;
        }

        if (!empty($config['requiredgroup']) && !$this->user->isInGroup($config['requiredgroup'])) {
            // user not sufficiant
            return 2;
        }

        $data   =   $this->req->export();
        unset($data['__name']);
        WBEvent::Trigger($config['event'], 'Ajax Event Trigger', $data);

        return 0;
    }
}