<?php
/**
 * Event_Handler_DictionaryLoad
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package WB
 * @subpackage Event_Handler
 */

WBClass::load('WBEvent_Handler'
    , 'WBEvent_Handler_Dictionary');

/**
 * Event_Handler_DictionaryLoad
 *
 * Load dictionary data into event
 *
 * @version 0.1.1
 * @package WB
 * @subpackage Event_Handler
 */
class WBEvent_Handler_Dictionary_Load extends WBEvent_Handler_Dictionary
{
    /**
     * Handler config
     *
     * Parameters:
     * - dictionary
     * - key
     *
     * @var array
     */
    protected $config   =   array(
                                'dictionary'    =>  'URL',
                                'key'           =>  'urlid',
                                'target'        =>  'url'
                                );


    /**
     * Process event
     *
     * Populate dictionary record
     *
     * @see isRecoverable()
     * @param WBEvent $e
     * @return bool true to continue, false to stop processing
     * @throws Exception in case of error
     */
    public function process(WBEvent $e)
    {
        $this->dict =   WBClass::create('WBDictionary_' . $this->config['dictionary']);
        if (!$this->dict) {
            return false;
        }
        $this->dict->load($e->get($this->config['key']));
        $id     =   $this->dict->getId();
        if (empty($id)) {
            return false;
        }
        $e->set($this->config['target'], $this->dict->getWord());
        return true;
    }
}