1. sfMessageSource_Aggregate.class.php
  2. /**
 * sfMessageSource_Aggregate aggregates several message source objects.
 *
 * @package    symfony
 * @subpackage i18n
 * @author     Fabien Potencier 
 * @version    SVN: $Id: sfMessageSource_Aggregate.class.php 13401 2008-11-27 11:18:39Z fabien $
 */
  3. class sfMessageSource_Aggregate extends sfMessageSource
  4. {
  5.   protected
  6.     $messageSources = array();
  8.   /**
  9.    * Constructor.
  10.    *
  11.    * The order of the messages sources in the array is important.
  12.    * This class will take the first translation found in the message sources.
  13.    *
  14.    * @param array $messageSources An array of message sources.
  15.    *
  16.    * @see   MessageSource::factory();
  17.    */
  18.   function __construct($messageSources)
  19.   {
  20.     $this->messageSources = $messageSources;
  21.   }
  23.   public function setCulture($culture)
  24.   {
  25.     parent::setCulture($culture);
  27.     foreach ($this->messageSources as $messageSource)
  28.     {
  29.       $messageSource->setCulture($culture);
  30.     }
  31.   }
  33.   protected function getLastModified($sources)
  34.   {
  35.     $lastModified = time();
  36.     foreach ($sources as $source)
  37.     {
  38.       $lastModified = min($lastModified, $source[0]->getLastModified($source[1]));
  39.     }
  41.     return $lastModified;
  42.   }
  44.   public function isValidSource($sources)
  45.   {
  46.     foreach ($sources as $source)
  47.     {
  48.       if (false === $source[0]->isValidSource($source[1]))
  49.       {
  50.         continue;
  51.       }
  53.       return true;
  54.     }
  56.     return false;
  57.   }
  59.   public function getSource($variant)
  60.   {
  61.     $sources = array();
  62.     foreach ($this->messageSources as $messageSource)
  63.     {
  64.       $sources[] = array($messageSource, $messageSource->getSource(str_replace($messageSource->getId(), '', $variant)));
  65.     }
  67.     return $sources;
  68.   }
  70.   public function &loadData($sources)
  71.   {
  72.     $messages = array();
  73.     foreach ($sources as $source)
  74.     {
  75.       if (false === $source[0]->isValidSource($source[1]))
  76.       {
  77.         continue;
  78.       }
  80.       $data = $source[0]->loadData($source[1]);
  81.       if (is_array($data))
  82.       {
  83.         $messages = array_merge($data, $messages);
  84.       }
  85.     }
  87.     return $messages;
  88.   }
  90.   public function getCatalogueList($catalogue)
  91.   {
  92.     $variants = array();
  93.     foreach ($this->messageSources as $messageSource)
  94.     {
  95.       foreach ($messageSource->getCatalogueList($catalogue) as $variant)
  96.       {
  97.         $variants[] = $messageSource->getId().$variant;
  98.       }
  99.     }
  101.     return $variants;
  102.   }
  104.   public function append($message)
  105.   {
  106.     // Append to the first message source only
  107.     if (count($this->messageSources))
  108.     {
  109.       $this->messageSources[0]->append($message);
  110.     }
  111.   }
  113.   public function update($text, $target, $comments, $catalogue = 'messages')
  114.   {
  115.     // Only update one message source
  116.     foreach ($this->messageSources as $messageSource)
  117.     {
  118.       if ($messageSource->update($text, $target, $comments, $catalogue))
  119.       {
  120.         return true;
  121.       }
  122.     }
  124.     return false;
  125.   }
  127.   public function delete($message, $catalogue = 'messages')
  128.   {
  129.     $retval = false;
  130.     foreach ($this->messageSources as $messageSource)
  131.     {
  132.       if ($messageSource->delete($message, $catalogue))
  133.       {
  134.         $retval = true;
  135.       }
  136.     }
  138.     return $retval;
  139.   }
  141.   public function save($catalogue = 'messages')
  142.   {
  143.     $retval = false;
  144.     foreach ($this->messageSources as $messageSource)
  145.     {
  146.       if ($messageSource->save($catalogue))
  147.       {
  148.         $retval = true;
  149.       }
  150.     }
  152.     return $retval;
  153.   }
  155.   public function getId()
  156.   {
  157.     $id = '';
  158.     foreach ($this->messageSources as $messageSource)
  159.     {
  160.       $id .= $messageSource->getId();
  161.     }
  163.     return md5($id);
  164.   }
  166.   public function catalogues()
  167.   {
  168.     throw new sfException('The "catalogues()" method is not implemented for this message source.');
  169.   }
  170. }
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