<?php
/**
 * Lang - <strong>svn:/site/Views/Snippets</strong> - Give me the current language 2letter code for the template localization, requires <strong>UltimateParent</strong>
 *
 * Required snippets: UltimateParent
 *
 * @author Renoir Boulanger
 * @date 2008-06-25
 *
 *  1. Very the config
 *  2. Add [[Lang]] snipet call where you need to know what's the current language.!
 **/


/**
  * IMPORTANT
  *   1. Check the acceptable languages
  *       (search for 1.0 )
  *   2. Check the MODx container, generally it is 'pagetitle'
  *       (search for 1.1 )
  *   3. Check for your preffered "default" language
  *       (search for 1.2 )
  **/

  /** 
   * 1.0 The acceptables languages
   * ARRAY of acceptable lang in two letter codes format 
  **/
  $acceptableLanguages = array(
    'en',
    'fr'
  );

  /**
   * 1.1 The MODx container
   * it will provide a two letter code title container... should be "pagetitle"
   * or anywhere you could had put it in your contents page of your top level
   * container 
   * 
   * NOTE: You MUST have at the root your current content duplicated in each 
   * languages respect with their own two letter languages.
  */
  $selector = 'pagetitle';

  /**
   * 1.2 Default lang
   **/
   $defaultLang = 'fr';
/* ****** /Some config ****** */


/* ************** End of configuration, start the actual plugin **************** */
$lStrDocId = ($docid) ? $docid : false;
$id  = $modx->runSnippet("UltimateParent");

/**
 * Get absolute parent page (aka, the Lang!!)
 * Source: http://wiki.modxcms.com/index.php/API:getPageInfo
 * array = getPageInfo($pageid= -1, $active= 1, $fields= 'id, pagetitle, description, alias'); 
 **/
$getPagetitle = $modx->getPageInfo($id,0,$selector);
$lang = $getPagetitle[$selector];
$lang = ( in_array($lang, $acceptableLanguages) ) ? $lang : $defaultLang;

//echo 'Lang:'.$lang.'  /  vs acceptablesLanguages'."\n";
//print_r($acceptableLanguages);
//var_dump( in_array($lang, $acceptableLanguages) );

return( trim($lang) );
?>