<?php

/**
 * Base actions for the nmcLanguageSwitcherPlugin language module.
 *
 * @package     nmcLanguageSwitcherPlugin
 * @subpackage  language
 * @author      NiMo Consulting LLC
 * @version     1.0.0.
 */
abstract class BaselanguageActions extends sfActions
{
  public function executeChangeLanguage(sfWebRequest $request)
  {
    $new_lang = $request->getParameter('lang',false);
    $old_lang = $this->getUser()->getCulture();
    $this->forward404unless($new_lang);
    $all_lang = sfConfig::get('app_available_languages',array('en'=>array('en', 'English')));
    foreach($all_lang as $lang):
      if($new_lang === $lang[0]) {
        $this->getUser()->setCulture($new_lang);
      }
    endforeach;
    $prev = $request->getReferer();
    /* 2011 July 25 bug fix. Now work with ':sf_culture' in routing.*/
        /* case: domain/foo/sf_culture/bar */
        $pos = strpos($prev,'/'.$old_lang.'/');
        if($pos !== false){$prev = str_replace('/'.$old_lang.'/','/'.$new_lang.'/',$prev);}
        /* case: domain/foo/sf_culture */
        $pos = strpos($prev,'/'.$old_lang);
        if($pos !== false && strlen($prev) === ($pos + strlen('/'.$old_lang))) {
          $prev = str_replace('/'.$old_lang, '/'.$new_lang, $prev);
        }
        /* Still have bug if route contains same string as '/sf_culture/'. example: 'domain/sf_culture/module/action/param' if (param == sf_culture) there will be bug. */
    /* end of 2011 July 25 bug fix */
    $this->redirect(($prev)?$prev:sfConfig::get('app_homepage'));
    return sfView::HEADER_ONLY;
  }
}