1. sfFormSymfony.class.php
  2. /**
 * Extends the form component with symfony-specific functionality.
 *
 * @package    symfony
 * @subpackage form
 * @author     Kris Wallsmith 
 * @version    SVN: $Id: sfFormSymfony.class.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
 */
  3. class sfFormSymfony extends sfForm
  4. {
  5.   static protected
  6.     $dispatcher = null;
  8.   /**
  9.    * Constructor.
  10.    *
  11.    * Notifies the 'form.post_configure' event.
  12.    *
  13.    * @see sfForm
  14.    */
  15.   public function __construct($defaults = array(), $options = array(), $CSRFSecret = null)
  16.   {
  17.     parent::__construct($defaults, $options, $CSRFSecret);
  19.     if (self::$dispatcher)
  20.     {
  21.       self::$dispatcher->notify(new sfEvent($this, 'form.post_configure'));
  22.     }
  23.   }
  25.   /**
  26.    * Sets the event dispatcher to be used by all forms.
  27.    *
  28.    * @param sfEventDispatcher $dispatcher
  29.    */
  30.   static public function setEventDispatcher(sfEventDispatcher $dispatcher = null)
  31.   {
  32.     self::$dispatcher = $dispatcher;
  33.   }
  35.   /**
  36.    * Returns the event dispatcher.
  37.    *
  38.    * @return sfEventDispatcher
  39.    */
  40.   static public function getEventDispatcher()
  41.   {
  42.     return self::$dispatcher;
  43.   }
  45.   /**
  46.    * Notifies the 'form.filter_values' and 'form.validation_error' events.
  47.    *
  48.    * @see sfForm
  49.    */
  50.   protected function doBind(array $values)
  51.   {
  52.     if (self::$dispatcher)
  53.     {
  54.       $values = self::$dispatcher->filter(new sfEvent($this, 'form.filter_values'), $values)->getReturnValue();
  55.     }
  57.     try
  58.     {
  59.       parent::doBind($values);
  60.     }
  61.     catch (sfValidatorError $error)
  62.     {
  63.       if (self::$dispatcher)
  64.       {
  65.         self::$dispatcher->notify(new sfEvent($this, 'form.validation_error', array('error' => $error)));
  66.       }
  68.       throw $error;
  69.     }
  70.   }
  72.   /**
  73.    * Calls methods defined via sfEventDispatcher.
  74.    *
  75.    * @param string $method    The method name
  76.    * @param array  $arguments The method arguments
  77.    *
  78.    * @return mixed The returned value of the called method
  79.    */
  80.   public function __call($method, $arguments)
  81.   {
  82.     if (self::$dispatcher)
  83.     {
  84.       $event = self::$dispatcher->notifyUntil(new sfEvent($this, 'form.method_not_found', array('method' => $method, 'arguments' => $arguments)));
  85.       if ($event->isProcessed())
  86.       {
  87.         return $event->getReturnValue();
  88.       }
  89.     }
  91.     throw new sfException(sprintf('Call to undefined method %s::%s.', get_class($this), $method));
  92.   }
  93. }
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