Subversion-Projekte lars-tiefland.php_share

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1 lars 1 
<?php
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/*
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 * This file is part of the symfony package.
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 * (c) Fabien Potencier <fabien.potencier@symfony-project.com>
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 *
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 * For the full copyright and license information, please view the LICENSE
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 * file that was distributed with this source code.
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 */
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/**
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 * sfWidgetFormChoiceBase is the base class for all choice/select widgets
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 *
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 * @package    symfony
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 * @subpackage widget
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 * @author     Bernhard Schussek <bernhard.schussek@symfony-project.com>
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 * @version    SVN: $Id$
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 */
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abstract class sfWidgetFormChoiceBase extends sfWidgetForm
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{
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  /**
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   * Constructor.
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   *
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   * Available options:
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   *
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   *  * choices:         An array of possible choices (required)
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   *
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   * @param array $options     An array of options
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   * @param array $attributes  An array of default HTML attributes
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   *
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   * @see sfWidgetForm
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   */
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  protected function configure($options = array(), $attributes = array())
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  {
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    $this->addRequiredOption('choices');
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    $this->addOption('translate_choices', true);
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  }
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  /**
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   * Returns the translated choices configured for this widget
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   *
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   * @return array  An array of strings
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   */
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  public function getChoices()
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  {
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    $choices = $this->getOption('choices');
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    if ($choices instanceof sfCallable)
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    {
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      $choices = $choices->call();
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    }
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    if (!$this->getOption('translate_choices'))
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    {
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      return $choices;
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    }
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    $results = array();
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    foreach ($choices as $key => $choice)
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    {
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      if (is_array($choice))
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      {
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        $results[$this->translate($key)] = $this->translateAll($choice);
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      }
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      else
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      {
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        $results[$key] = $this->translate($choice);
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      }
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    }
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    return $results;
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  }
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  /**
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   * Clones this object
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   */
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  public function __clone()
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  {
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    if ($this->getOption('choices') instanceof sfCallable)
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    {
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      $callable = $this->getOption('choices')->getCallable();
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      if (is_array($callable) && $callable[0] instanceof self)
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      {
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        $callable[0] = $this;
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        $this->setOption('choices', new sfCallable($callable));
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      }
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    }
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  }
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}