Subversion-Projekte lars-tiefland.prado

<?php
/**
 * Translation, static.
 *
 * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @link http://www.pradosoft.com/
 * @copyright Copyright &copy; 2005-2008 PradoSoft
 * @license http://www.pradosoft.com/license/
 * @version $Id: Translation.php 2541 2008-10-21 15:05:13Z qiang.xue $
 * @package System.I18N
 */

 /**
 * Get the MessageFormat class.
 */
Prado::using('System.I18N.core.MessageFormat');


/**
 * Translation class.
 *
 * Provides translation using a static MessageFormatter.
 *
 * @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
 * @version v1.0, last update on Tue Dec 28 11:54:48 EST 2004
 * @package System.I18N
 */
class Translation extends TComponent
{
        /**
         * The array of formatters. We define 1 formatter per translation catalog
         * This is a class static variable.
         * @var array
         */
        protected static $formatters=array();

        /**
         * Initialize the TTranslate translation components
         */
        public static function init($catalogue='messages')
        {
                static $saveEventHandlerAttached=false;
                
                //initialized the default class wide formatter
                if(!isset(self::$formatters[$catalogue]))
                {
                        $app = Prado::getApplication()->getGlobalization();
                        $config = $app->getTranslationConfiguration();
                        $source = MessageSource::factory($config['type'],
                                                                                        $config['source'],
                                                                                        $config['filename']);

                        $source->setCulture($app->getCulture());

                        if($config['cache'])
                                $source->setCache(new MessageCache($config['cache']));

                        self::$formatters[$catalogue] = new MessageFormat($source, $app->getCharset());

                        //mark untranslated text
                        if($ps=$config['marker'])
                                self::$formatters[$catalogue]->setUntranslatedPS(array($ps,$ps));

                        //save the message on end request
                        // Do it only once !
                        if (!$saveEventHandlerAttached)
                        {
                                Prado::getApplication()->attachEventHandler(
                                'OnEndRequest', array('Translation', 'saveMessages'));
                                $saveEventHandlerAttached=true;
                        }
                }
        }

        /**
         * Get the static formatter from this component.
         * @return MessageFormat formattter.
         * @see localize()
         */
        public static function formatter($catalogue='messages')
        {
                return self::$formatters[$catalogue];
        }

        /**
         * Save untranslated messages to the catalogue.
         */
        public static function saveMessages()
        {
                static $onceonly = true;

                if($onceonly)
                {
                        foreach (self::$formatters as $catalogue=>$formatter)
                        {
                                $app = Prado::getApplication()->getGlobalization();
                                $config = $app->getTranslationConfiguration();
                                if(isset($config['autosave']))
                                {
                                        $formatter->getSource()->setCulture($app->getCulture());
                                        $formatter->getSource()->save($catalogue);
                                }
                        }
                        $onceonly = false;
                }
        }
}