LanguageToggleBlockPlugin.inc.php

<?php
 
import('lib.pkp.classes.plugins.BlockPlugin');
 
class LanguageToggleBlockPlugin extends BlockPlugin {
 
   function getInstallSitePluginSettingsFile() {
      return $this->getPluginPath() . '/settings.xml';
   }
 
   function getContextSpecificPluginSettingsFile() {
      return $this->getPluginPath() . '/settings.xml';
   }
 
   function getDisplayName() {
      return __('plugins.block.languageToggle.displayName');
   }
 
   function getDescription() {
      return __('plugins.block.languageToggle.description');
   }
 
   function getContents($templateMgr, $request = null) {
      if (!defined('SESSION_DISABLE_INIT')) {
         $press = $request->getPress();
         if (isset($press)) {
            $locales = $press->getSupportedLocaleNames();
 
         } else {
            $site = $request->getSite();
            $locales = $site->getSupportedLocaleNames();
         }
      } else {
         $locales =& AppLocale::getAllLocales();
         if (isset($_SERVER['HTTP_REFERER'])) {
            $templateMgr->assign('languageToggleNoUser', true);
            $templateMgr->assign('referrerUrl', $_SERVER['HTTP_REFERER']);
         } else {
            unset($locales); // Disable; we're not sure what URL to use
         }
      }
 
      if (isset($locales) && count($locales) > 1) {
         $templateMgr->assign('enableLanguageToggle', true);
         $templateMgr->assign('languageToggleLocales', $locales);
      }
 
      return parent::getContents($templateMgr);
   }
}