InstallLanguageForm.inc.php

<?php
 
// Import the base Form.
import('lib.pkp.classes.form.Form');
 
class InstallLanguageForm extends Form {
 
   function __construct() {
      parent::__construct('controllers/grid/languages/installLanguageForm.tpl');
   }
 
   //
   // Overridden methods from Form.
   //
   function initData() {
      parent::initData();
 
      $request = Application::get()->getRequest();
      $site = $request->getSite();
      $this->setData('installedLocales', $site->getInstalledLocales());
   }
 
   function fetch($request, $template = null, $display = false) {
      $site = $request->getSite();
      $allLocales = AppLocale::getAllLocales();
      $installedLocales = $this->getData('installedLocales');
      $notInstalledLocales = array_diff(array_keys($allLocales), $installedLocales);
 
      $templateMgr = TemplateManager::getManager($request);
      $templateMgr->assign(array(
         'allLocales' => $allLocales,
         'notInstalledLocales' => $notInstalledLocales,
      ));
 
      return parent::fetch($request, $template, $display);
   }
 
   function readInputData() {
      parent::readInputData();
 
      $request = Application::get()->getRequest();
      $localesToInstall = $request->getUserVar('localesToInstall');
      $this->setData('localesToInstall', $localesToInstall);
   }
 
   function execute(...$functionArgs) {
      $request = Application::get()->getRequest();
      $site = $request->getSite();
      $localesToInstall = $this->getData('localesToInstall');
 
      parent::execute(...$functionArgs);
 
      if (isset($localesToInstall) && is_array($localesToInstall)) {
         $installedLocales = $site->getInstalledLocales();
         $supportedLocales = $site->getSupportedLocales();
 
         foreach ($localesToInstall as $locale) {
            if (AppLocale::isLocaleValid($locale) && !in_array($locale, $installedLocales)) {
               array_push($installedLocales, $locale);
               // Activate/support by default.
               if (!in_array($locale, $supportedLocales)) array_push($supportedLocales, $locale);
               AppLocale::installLocale($locale);
            }
         }
 
         $site->setInstalledLocales($installedLocales);
         $site->setSupportedLocales($supportedLocales);
         $siteDao = DAORegistry::getDAO('SiteDAO'); /* @var $siteDao SiteDAO */
         $siteDao->updateObject($site);
      }
   }
}