gistfile1.php

class BarfooArticleForm extends BaseBarfooArticleForm
{
  public function configure()
  {
    $file_src = sfContext::getInstance()->getController()->genUrl(array(
      'sf_route'  => 'sf_image',
      'format'    => 'backend_edit',
      'type'      => 'BarfooArticle',
      'attribute' => 'topImage',
      'slug'      => $this->getObject()->slug,
      'id'        => $this->getObject()->id
    ), false);
    $this->widgetSchema['topImage'] = new sfWidgetFormInputFileEditable(array(
      'label' => 'Image',
      'is_image' => true,
      'file_src' => $file_src
    ));
    $this->validatorSchema['topImage'] = new sfValidatorFile(array(
      'required'   => false,
      'path'       => sfConfig::get('sf_upload_dir').'/barfooarticle',
      'mime_types' => 'web_images',
    ));
    $this->validatorSchema['topImage_delete'] = new sfValidatorPass();

    $file_src = sfContext::getInstance()->getController()->genUrl(array(
      'sf_route'  => 'sf_image',
      'format'    => 'backend_edit',
      'type'      => 'BarfooArticle',
      'attribute' => 'centerImage',
      'slug'      => $this->getObject()->slug,
      'id'        => $this->getObject()->id
    ), false);
    $this->widgetSchema['centerImage'] = new sfWidgetFormInputFileEditable(array(
      'label' => 'Image',
      'is_image' => true,
      'file_src' => $file_src
    ));
    $this->validatorSchema['centerImage'] = new sfValidatorFile(array(
      'required'   => false,
      'path'       => sfConfig::get('sf_upload_dir').'/barfooarticle',
      'mime_types' => 'web_images',
    ));
    $this->validatorSchema['centerImage_delete'] = new sfValidatorPass();
  }
}