1. sfWidgetFormChoiceBase.class.php
  2. /**
 * sfWidgetFormChoiceBase is the base class for all choice/select widgets
 *
 * @package    symfony
 * @subpackage widget
 * @author     Bernhard Schussek 
 * @version    SVN: $Id$
 */
  3. abstract class sfWidgetFormChoiceBase extends sfWidgetForm
  4. {
  5.   /**
  6.    * Constructor.
  7.    *
  8.    * Available options:
  9.    *
  10.    *  * choices:         An array of possible choices (required)
  11.    *
  12.    * @param array $options     An array of options
  13.    * @param array $attributes  An array of default HTML attributes
  14.    *
  15.    * @see sfWidgetForm
  16.    */
  17.   protected function configure($options = array(), $attributes = array())
  18.   {
  19.     $this->addRequiredOption('choices');
  20.   }
  22.   /**
  23.    * Returns the translated choices configured for this widget
  24.    *
  25.    * @return array  An array of strings
  26.    */
  27.   public function getChoices()
  28.   {
  29.     $choices = $this->getOption('choices');
  31.     if ($choices instanceof sfCallable)
  32.     {
  33.       $choices = $choices->call();
  34.     }
  36.     $results = array();
  37.     foreach ($choices as $key => $choice)
  38.     {
  39.       if (is_array($choice))
  40.       {
  41.         $results[$this->translate($key)] = $this->translateAll($choice);
  42.       }
  43.       else
  44.       {
  45.         $results[$key] = $this->translate($choice);
  46.       }
  47.     }
  49.     return $results;
  50.   }
  52.   /**
  53.    * Clones this object
  54.    */
  55.   public function __clone()
  56.   {
  57.     if ($this->getOption('choices') instanceof sfCallable)
  58.     {
  59.       $callable = $this->getOption('choices')->getCallable();
  60.       if (is_array($callable) && $callable[0] instanceof self)
  61.       {
  62.         $callable[0] = $this;
  63.         $this->setOption('choices', new sfCallable($callable));
  64.       }
  65.     }
  66.   }
  67. }
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