<?php

class opLanguageSelecterForm extends sfForm
{
  static protected function getCultureChoices($cultures)
  {
    $choices = array();
    foreach ($cultures as $culture)
    {
      $c = explode('_', $culture);
      try
      {
        $cultureInfo = sfCultureInfo::getInstance($culture);
        $choices[$culture] = $cultureInfo->getLanguage($c[0]);
        if (isset($c[1]))
        {
          $choices[$culture] .= ' ('.$cultureInfo->getCountry($c[1]).')';
        }
      }
      catch (sfException $e)
      {
        $choices[$culture] = $culture;
      }
    }
    return $choices;
  }

  public function __construct($defaults = array(), $options = array())
  {
    parent::__construct($defaults, $options, false);

    $this->setWidget('next_uri', new opWidgetFormInputHiddenNextUri());
    $this->setValidator('next_uri', new opValidatorNextUri());
  }

  public function configure()
  {
    $user = sfContext::getInstance()->getUser();

    $languages = array('en','ja_JP');
    $opt_languages = $this->getOption('languages',array());

    $languages = array_unique(array_merge($languages, $opt_languages));

    $choices = self::getCultureChoices($languages);
    
    $this->setDefaults(array(
      'culture' => $user->getCulture()
    ));

    $this->setWidgets(array(
      'culture' => new sfWidgetFormChoice(array(
        'choices' => $choices
      )),
    ));
    
    $this->setValidators(array(
      'culture' => new sfValidatorChoice(array(
        'choices' => array_keys($choices)
      )),
    ));

    $this->widgetSchema->setLabels(array(
      'culture' => 'Languages',
    ));

    $this->widgetSchema->setNameFormat('language[%s]');
  }

  public function setCulture()
  {
    $user = sfContext::getInstance()->getUser();
    $user->setCulture($this->getValue('culture'));
  }
}