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File: language.php
<?php /** * @version $Id:language.php 6961 2007-03-15 16:06:53Z tcp $ * @package Joomla.Framework * @subpackage Installer * @copyright Copyright (C) 2005 - 2008 Open Source Matters. All rights reserved. * @license GNU/GPL, see LICENSE.php * Joomla! is free software. This version may have been modified pursuant * to the GNU General Public License, and as distributed it includes or * is derivative of works licensed under the GNU General Public License or * other free or open source software licenses. * See COPYRIGHT.php for copyright notices and details. */ // Check to ensure this file is within the rest of the framework defined('JPATH_BASE') or die(); /** * Language installer * * @package Joomla.Framework * @subpackage Installer * @since 1.5 */ class JInstallerLanguage extends JObject { /** * Core language pack flag * @access private * @var boolean */ var $_core = false; /** * Constructor * * @access protected * @param object $parent Parent object [JInstaller instance] * @return void * @since 1.5 */ function __construct(&$parent) { $this->parent =& $parent; } /** * Custom install method * * @access public * @return boolean True on success * @since 1.5 */ function install() { $manifest =& $this->parent->getManifest(); $this->manifest =& $manifest->document; $root =& $manifest->document; // Get the client application target if ($root->attributes('client') == 'both') { $siteElement =& $root->getElementByPath('site'); $element =& $siteElement->getElementByPath('files'); if (!$this->_install('site', JPATH_SITE, 0, $element)) { return false; } $adminElement =& $root->getElementByPath('administration'); $element =& $adminElement->getElementByPath('files'); if (!$this->_install('administrator', JPATH_ADMINISTRATOR, 1, $element)) { return false; } return true; } elseif ($cname = $root->attributes('client')) { // Attempt to map the client to a base path jimport('joomla.application.helper'); $client =& JApplicationHelper::getClientInfo($cname, true); if ($client === null) { $this->parent->abort(JText::_('Language').' '.JText::_('Install').': '.JText::_('Unknown client type').' ['.$cname.']'); return false; } $basePath = $client->path; $clientId = $client->id; $element =& $root->getElementByPath('files'); return $this->_install($cname, $basePath, $clientId, $element); } else { // No client attribute was found so we assume the site as the client $cname = 'site'; $basePath = JPATH_SITE; $clientId = 0; $element =& $root->getElementByPath('files'); return $this->_install($cname, $basePath, $clientId, $element); } } /** * */ function _install($cname, $basePath, $clientId, &$element) { $manifest =& $this->parent->getManifest(); $this->manifest =& $manifest->document; $root =& $manifest->document; // Get the language name // Set the extensions name $name =& $this->manifest->getElementByPath('name'); $name = JFilterInput::clean($name->data(), 'cmd'); $this->set('name', $name); // Get the Language tag [ISO tag, eg. en-GB] $tag =& $root->getElementByPath('tag'); // Check if we found the tag - if we didn't, we may be trying to install from an older language package if ( ! $tag ) { $this->parent->abort(JText::_('Language').' '.JText::_('Install').': '.JText::_('NO LANGUAGE TAG?')); return false; } $this->set('tag', $tag->data()); $folder = $tag->data(); // Set the language installation path $this->parent->setPath('extension_site', $basePath.DS."language".DS.$this->get('tag')); // Do we have a meta file in the file list? In other words... is this a core language pack? if (is_a($element, 'JSimpleXMLElement') && count($element->children())) { $files = $element->children(); foreach ($files as $file) { if ($file->attributes('file') == 'meta') { $this->_core = true; break; } } } // Either we are installing a core pack or a core pack must exist for the language we are installing. if (!$this->_core) { if (!JFile::exists($this->parent->getPath('extension_site').DS.$this->get('tag').'.xml')) { $this->parent->abort(JText::_('Language').' '.JText::_('Install').': '.JText::_('No core pack exists for the language').' :'.$this->get('tag')); return false; } } // If the language directory does not exist, lets create it $created = false; if (!file_exists($this->parent->getPath('extension_site'))) { if (!$created = JFolder::create($this->parent->getPath('extension_site'))) { $this->parent->abort(JText::_('Language').' '.JText::_('Install').': '.JText::_('Failed to create directory').' "'.$this->parent->getPath('extension_site').'"'); return false; } } /* * If we created the language directory and will want to remove it if we * have to roll back the installation, lets add it to the installation * step stack */ if ($created) { $this->parent->pushStep(array ('type' => 'folder', 'path' => $this->parent->getPath('extension_site'))); } // Copy all the necessary files if ($this->parent->parseFiles($element) === false) { // Install failed, rollback changes $this->parent->abort(); return false; } // Copy all the necessary font files to the common pdf_fonts directory $this->parent->setPath('extension_site', JPATH_SITE.DS."language".DS.'pdf_fonts'); $overwrite = $this->parent->setOverwrite(true); if ($this->parent->parseFiles($root->getElementByPath('fonts')) === false) { // Install failed, rollback changes $this->parent->abort(); return false; } $this->parent->setOverwrite($overwrite); // Get the language description $description = & $root->getElementByPath('description'); if (is_a($description, 'JSimpleXMLElement')) { $this->parent->set('message', $description->data()); } else { $this->parent->set('message', '' ); } return true; } /** * Custom uninstall method * * @access public * @param string $tag The tag of the language to uninstall * @param int $clientId The id of the client (unused) * @return mixed Return value for uninstall method in component uninstall file * @since 1.5 */ function uninstall($tag, $clientId) { $path = trim($tag); if (!JFolder::exists($path)) { JError::raiseWarning(100, JText::_('Language').' '.JText::_('Uninstall').': '.JText::_('Language path is empty, cannot uninstall files')); return false; } if (!JFolder::delete($path)) { JError::raiseWarning(100, JText::_('Language').' '.JText::_('Uninstall').': '.JText::_('Unable to remove language directory')); return false; } return true; } }