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   1  <?php
   2  /**
   3   * Translation, static.
   4   *
   5   * @author Wei Zhuo <weizhuo[at]gmail[dot]com>
   6   * @link http://www.pradosoft.com/
   7   * @copyright Copyright &copy; 2005 PradoSoft
   8   * @license http://www.pradosoft.com/license/
   9   * @version $Id: Translation.php 1441 2006-09-23 07:30:43Z wei $
  10   * @package System.I18N
  11   */
  12  
  13   /**
  14   * Get the MessageFormat class.
  15   */
  16  Prado::using('System.I18N.core.MessageFormat');
  17  
  18  
  19  /**
  20   * Translation class.
  21   *
  22   * Provides translation using a static MessageFormatter.
  23   *
  24   * @author Xiang Wei Zhuo <weizhuo[at]gmail[dot]com>
  25   * @version v1.0, last update on Tue Dec 28 11:54:48 EST 2004
  26   * @package System.I18N
  27   */
  28  class Translation extends TComponent
  29  {
  30      /**
  31       * The string formatter. This is a class static variable.
  32       * @var MessageFormat
  33       */
  34      protected static $formatter;
  35  
  36      /**
  37       * Initialize the TTranslate translation components
  38       */
  39  	public static function init()
  40      {
  41          //initialized the default class wide formatter
  42          if(is_null(self::$formatter))
  43          {
  44              $app = Prado::getApplication()->getGlobalization();
  45              $config = $app->getTranslationConfiguration();
  46              $source = MessageSource::factory($config['type'],
  47                                              $config['source'],
  48                                              $config['filename']);
  49  
  50              $source->setCulture($app->getCulture());
  51  
  52              if($config['cache'])
  53                  $source->setCache(new MessageCache($config['cache']));
  54  
  55              self::$formatter = new MessageFormat($source, $app->getCharset());
  56  
  57              //mark untranslated text
  58              if($ps=$config['marker'])
  59                  self::$formatter->setUntranslatedPS(array($ps,$ps));
  60  
  61              //save the message on end request
  62              Prado::getApplication()->attachEventHandler(
  63                  'OnEndRequest', array('Translation', 'saveMessages'));
  64          }
  65      }
  66  
  67      /**
  68       * Get the static formatter from this component.
  69       * @return MessageFormat formattter.
  70       * @see localize()
  71       */
  72  	public static function formatter()
  73      {
  74          return self::$formatter;
  75      }
  76  
  77      /**
  78       * Save untranslated messages to the catalogue.
  79       */
  80  	public static function saveMessages()
  81      {
  82          static $onceonly = true;
  83  
  84          if($onceonly && !is_null($formatter = self::$formatter))
  85          {
  86              $app = Prado::getApplication()->getGlobalization();
  87              $config = $app->getTranslationConfiguration();
  88              if(isset($config['autosave']))
  89              {
  90                  $formatter->getSource()->setCulture($app->getCulture());
  91                  $formatter->getSource()->save($config['catalogue']);
  92              }
  93              $onceonly = false;
  94          }
  95      }
  96  }
  97  
  98  ?>