root/donation/optionals/de.easy-coding.wcf.donation.googlecheckout/files/lib/system/event/listener/DonationAddFormGoogleCheckoutListener.class.php @ 108

<?php
// WCF includes
require_once(WCF_DIR.'lib/system/event/EventListener.class.php');

/**
 * Adds google checkout information for donation
 *
 * @author      Torben Brodt
 * @package     de.easy-coding.wcf.donation.googlecheckout
 * @license     GNU General Public License <http://opensource.org/licenses/gpl-3.0.html>
 */
class DonationAddFormGoogleCheckoutListener implements EventListener {
        protected $system = 'googlecheckout';
        protected $prefix = 'donation_googlecheckout_';
        protected $eventObj;
        
        //data
        protected $amount, $message;

        /**
         * @see EventListener::execute()
         */
        public function execute($eventObj, $className, $eventName) {
                $this->eventObj = $eventObj;
                
                if($this->eventObj->system != '' && $this->eventObj->system != $this->system) {
                        return;
                }

                switch($eventName) {
                        case 'assignVariables':
                                $this->assignVariables();
                        break;
                }
        }
        
        /**
         * @see Page::assignVariables()
         */
        protected function assignVariables() {
                switch($this->eventObj->step) {
                        case 0:
                                WCF::getTPL()->assign(array(
                                        'donation_system' => $this->system,
                                        'donation_icon' => RELATIVE_WCF_DIR.'icon/googlecheckout96.png',
                                        'donation_title' => WCF::getLanguage()->get('wcf.donation.category.donation.plugins.googlecheckout'),
                                        'donation_description' => WCF::getLanguage()->get('wcf.donation.category.donation.plugins.googlecheckout.description')
                                ));

                                WCF::getTPL()->append('additionalDonationSystems', WCF::getTPL()->fetch('donation_container'));
                        break;
                        case 1:
                                WCF::getTPL()->append('donationSystemContainer', WCF::getTPL()->fetch('donationGoogleCheckout'));
                        break;
                }
        }
}
?>