BaseFormDoctrine con metodi per la configurazione di file uploads

BaseFormDoctrine.class.php

<?php

/**
 * Project form base class.
 *
 * @package    versace
 * @subpackage form
 * @author     Your name here
 * @version    SVN: $Id: sfDoctrineFormBaseTemplate.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
 */
abstract class BaseFormDoctrine extends sfFormDoctrine
{
  public function setup()
  {
    parent::setup();
  }

  /**
   * Imposta validatori e widget per i campi "upload" generici
   *
   * @param array $fields
   */
  protected function setUploadField($field, $widgetConf, $validatorConf)
  {
    $this->widgetSchema[$field] = new sfWidgetFormInputFileEditable($widgetConf);

    $this->validatorSchema[$field] = new sfValidatorFile($validatorConf);

    $this->validatorSchema[$field . '_delete'] = new sfValidatorBoolean(array('required'=>false));
  }

  /**
   * Imposta validatori e widget per upload video
   * Enter description here ...
   * @param unknown_type $fields
   */
  protected function setUploadVideo($fields)
  {
    foreach ($fields as $field)
    {
      $widgetConf = array(
        'file_src'  =>  '/uploads/' . $this->getObject()->get($field),
        'edit_mode' =>  true,
        'is_image'  =>  false,
        'with_delete' =>  true,
      );
  
      $validatorConf = array(
        'required' => false,
        'path'  =>  sfConfig::get('sf_upload_dir'),
        'max_size'  =>  104857600,
        'mime_categories' =>  'web_images',
      );
  
      $this->setUploadField($field, $widgetConf, $validatorConf);
    }
  }

  /**
   * Imposta validatori e widget per upload immagini
   *
   * @param $fields
   */
  protected function setUploadImage($fields)
  {
    foreach ($fields as $field)
    {
      $widgetConf = array(
        'file_src'  =>  '/uploads/' . $this->getObject()->get($field),
        'edit_mode' =>  true,
        'is_image'  =>  true,
        'with_delete' =>  true,
      );
  
      $validatorConf = array(
        'required' => false,
        'path'  =>  sfConfig::get('sf_upload_dir'),
        'max_size'  =>  1024000,
        'mime_categories' =>  'web_images',
      );
  
      $this->setUploadField($field, $widgetConf, $validatorConf);
    }
  }
}

ProductForm.class.php

<?php

/**
 * Product form.
 *
 * @package    versace
 * @subpackage form
 * @author     Your name here
 * @version    SVN: $Id: sfDoctrineFormTemplate.php 23810 2009-11-12 11:07:44Z Kris.Wallsmith $
 */
class ProductForm extends BaseProductForm
{
  public function configure()
  {
    parent::configure();
    $this->setUploadImage(array('image_front', 'image_rear', 'thumb'));
  }
}