<?php
/**
 * patTemplate modfifier: Dictionary
 *
 * $Id$
 *
 * @package Wombat
 * @subpackage patTemplate
 * @author gERD Schaufelberger <gerd@php-tools.net>
 */

/**
 * patTemplate modfifier: Dictionary
 * 
 * Use dictionary record
 *
 * @version 0.3.0
 * @package Wombat
 * @subpackage patTemplate
 */
class patTemplate_Modifier_Dictionary extends patTemplate_Modifier
{
    /**
     * dictionary
     * @var WBDictionary
     */
    private $dict;

   /**
    * Modify The Value
    *
    * @access public
    * @param string value
    * @param array parameter attributes
    * @return string modified value
    */
    public function modify($value, $params = array())
    {
        $params =   array_merge(array(
                    'data'  =>  '',
                    'dict'  =>  'URL',
                    'tmpl'  =>  ''
                ), $params);
        if (empty($value)) {
            return '';
        }

        // start dictionary
        $this->dict    =   WBClass::create('WBDictionary_' . ucfirst($params['dict']));

        if (!empty($params['tmpl'])) {
            return $this->list4Tmpl($value, $params);
        }
        
        try {
            $this->dict->load($value);
        }
        catch (Exception $e) {
            return '';
        }

        if (empty($params['data'])) {
            return $this->dict->getWord();
        }

        $data   =   $this->dict->get();
        if (empty($data[$params['data']])) {
            return '';
        }
        return $data[$params['data']];
    }

   /**
    * List Using Template
    *
    * @param string value
    * @param array parameter attributes
    * @return string modified value
    */
    private function list4Tmpl($value, $params)
    {
        /** @var patTemplate */
        $tmpl   =   WBClass::create('patTemplate');
        $tmpl->readTemplatesFromInput(sprintf('Dictionary/%s/%s.tmpl', ucfirst($params['dict']), $params['tmpl']));

        $list   =   $this->dict->getExtendedList();
        $tmpl->addGlobalVar('list_count', count($list));
        if ($tmpl->exists('list_entry')) {
            $tmpl->addRows('list_entry', $list);
        }
        return $tmpl->getParsedTemplate('snippet');
    }
}