Oprettelse af en sprogpakke

<?php
defined( '_JEXEC' ) or die();
 
// Needed in Joomla < 2.5:
jimport( 'joomla.filesystem.folder' );
jimport( 'joomla.installer.installer' );
 
// FIXME: remember to change class name
class pkg_kunena_languagesInstallerScript {
 
        // FIXME: remember to change language package name
        protected $name = 'com_kunena';
 
        public function uninstall($parent) {
                // Remove languages.
                $languages = JFactory::getLanguage()->getKnownLanguages();
                foreach ($languages as $language) {
                        echo $this->uninstallLanguage($language['tag'], $language['name']);
                }
        }
 
        public function preflight($type, $parent) {
                if (!in_array($type, array('install', 'update'))) return true;
 
                $app = JFactory::getApplication();
 
                // If you want, you can detect your extension in here and fail with a message if it is not installed.
 
                // Get list of languages to be installed. Only installs languages that are found in your system.
                $source = $parent->getParent()->getPath('source').'/language';
                $languages = JFactory::getLanguage()->getKnownLanguages();
 
                $files = $parent->manifest->files;
                foreach ($languages as $language) {
                        $search = JFolder::files($source, $language['tag']);
                        if (empty($search)) continue;
 
                        // Generate something like <file type="file" client="site" id="com_kunena_fi-FI">com_kunena_fi-FI_v2.0.0.zip</file>
                        $file = $files->addChild('file', array_pop($search));
                        $file->addAttribute('type', 'file');
                        $file->addAttribute('client', 'site');
                        $file->addAttribute('id', $this->name.'_'.$language['tag']);
                        echo sprintf('Installing language %s - %s ...', $language['tag'], $language['name']) . '<br />';
                }
 
                if (empty($files)) {
                        // No packages to install: replace failure message with something that's more descriptive.
                        $app->enqueueMessage(sprintf ( 'Your site is English only. There\'s no need to install language pack.' ), 'notice');
                        return false;
                }
 
                return true;
        }
 
        public function uninstallLanguage($tag, $name) {
                $table = JTable::getInstance('extension');
                $id = $table->find(array('type'=>'file', 'element'=>"{$this->name}_{$tag}"));
                if (!$id) return;
 
                $installer = new JInstaller();
                $installer->uninstall ( 'file', $id );
        }
}