<?php
 
/**
 * Some usefull form helper
 *
 * @package    symfony
 * @subpackage helper
 * @author     Gordon Franke <gfranke@nevalon.de>
 * @link       http://www.nevalon.de
 */
class gfFormHelper
{
  /**
   * Add * to required field labels
   *
   * @param sfForm $form
   * @param string $symbol
   * @param string $title
   *
   * @return void
   */
  public static function addRequiredToLabel(sfForm $form, $symbol = '*', $title = 'This field is mandatory.')
  {
    $widgetSchema = $form->getWidgetSchema();
    $validatorSchema = $form->getValidatorSchema();
 
    foreach($form->getFormFieldSchema()->getWidget()->getFields() as $key => $object)
    {
      $label = $form->getFormFieldSchema()->offsetGet($key)->renderLabelName();
      if(isset($validatorSchema[$key]) and $validatorSchema[$key]->getOption('required') == true) {
        $label .= '<sup title="' . $widgetSchema->getFormFormatter()->translate($title) . '">' . $symbol . '</sup>';
      }
      $widgetSchema->setLabel($key, $label);
    }
  }
}

gfFormHelper::addRequiredToLabel($this);