<?php
/**
 * Tag converter
 *
 * $Id$
 *
 * @author gERD Schaufelberger <gerd@php-tools.net>
 * @license PHP License
 * @package wb
 * @subpackage Markup
 */

WBClass::load('WBMarkup_Converter');

/**
 * Tag converter
 *
 * Convert node to node
 *
 * @version 0.5.0
 * @package wb
 * @subpackage Markup
 */
class WBMarkup_Converter_Wb_ItsComment extends WBMarkup_Converter
{
   /**
    * transform Xinha Tags to XML
    *
    * @todo solve problem with internal but SSL links
    * @todo implement VFSFile links
    * @param array $node to be modified document node
    * @return bool true on success
    */
    public function toXml(&$node)
    {

        return true;
    }
    
   /**
    * transform Xml to Wxml (html) tags
    *
    * @todo not implemented
    * @param array $node to be modified document node
    * @return bool true on success
    */
    public function toWxml(&$node)
    {
        return true;
    }
    
   /**
    * transform XML to Html
    *
    * @param array $node to be modified document node
    * @return bool true on success
    */
    public function toHtml(&$node)
    {
        if (!$this->loadTemplates($node['attributes']['tmpl'])) {
            throw WBClass::create('WBException', array(
                            'msg'   =>  'Could not load template for comment: ' . $node['attributes']['tmpl'],
                            'code'  =>  1,
                            'class' =>  __CLASS__
                        ));
            return true;
        }

        // remove CDATA marker
        if (0 == strncmp('<![CDATA[', $node['cData'][0], 9)) {
            $node['cData'][0]   =   substr($node['cData'][0], 9);
            $last               =   array_pop($node['cData']);
            $node['cData'][]    =   substr($last, 0, -3);
        }

        // unpack data
        $data   =   implode("", $node['cData']);
        $data   =   base64_decode($data);
        $data   =   unserialize($data);

        if (isset($data['status'])) {
            $data['status_display'] =   patI18n::dgettext('wombat', 'its_status_' . $data['status']);
        }
        if (isset($data['diff']['status'])) {
            $data['diff']['status_display'] =   patI18n::dgettext('wombat', 'its_status_' . $data['diff']['status']);
        }
        if (isset($data['comment'])) {
            $data['comment_display']    =   nl2br($data['comment']);
        }

        $tmplData   =   array();
        foreach ($data as $key => $value) {
            if (is_scalar($value)) {
                $tmplData[$key]   =   $value;
                continue;
            }

            if ('diff' == $key) {
                foreach ($value as $k => $v) {
                    if (is_array($v)) {
                        if ('ticketmedia' == $k) {
                            foreach ($v as $i => $t) {
                                if (empty($t['value'])) {
                                    unset($v[$i]);
                                }
                            }
                            $v  =   array_values($v);
                        }
                        $tmplData['diff_' . $k . '_count']  =   count($v);
                        if ($this->tmpl->exists('diff_' . $k . '_list_entry')) {
                            $this->tmpl->addRows('diff_' . $k . '_list_entry', $v);
                        }
                        continue;
                    }

                    if (empty($v) && empty($data[$k])) {
                        continue;
                    }

                    $tmplData['diff_' . $k]   =   $v;
                }
                continue;
            }

            $tmplData[$key . '_count']  =   count($value);
            if ($this->tmpl->exists($key . '_list_entry')) {
                $this->tmpl->addVar($key . '_list_entry', 'value', $value);
            }
        }

        $this->template2HtmlNode($node, $tmplData);
        return true;
    }
}