<?php
/**
    * FCK Form widget
    *
    * @package    ***
    * @subpackage lib
    * @author     $LastChangedBy: PoWl $
    * @version    SVN: $Id: sfWidgetFormTextareaFCK.class.php 81 2008-12-08 00:39:59Z PoWl $
    */
 
class sfWidgetFormTextareaFCK extends sfWidgetFormTextarea
{
    /**
        * @param array $options     An array of options
        * @param array $attributes  An array of default HTML attributes
        *
        * @see sfWidgetForm
        */
    protected function configure ($options = array(), $attributes = array())
    {
        $this->addOption ('editor', 'fck');
        $this->addOption ('css', false);
 
        parent::configure ($options, $attributes);
    }
 
    /**
        * @param  string $name        The element name
        * @param  string $value       The value displayed in this widget
        * @param  array  $attributes  An array of HTML attributes to be merged with the default HTML attributes
        * @param  array  $errors      An array of errors for the field
        *
        * @return string An HTML tag string
        *
        * @see sfWidgetForm
        */
    public function render ($name, $value = null, $attributes = array(), $errors = array())
    {
        $editorClass = 'sfRichTextEditorFCK';
        if (!class_exists ($editorClass)) {
            throw new sfConfigurationException (sprintf ('The rich text editor "%s" does not exist.', $editorClass));
        }
 
        $editor = new $editorClass ();
        if (!in_array ('sfRichTextEditor', class_parents ($editor))) {
            throw new sfConfigurationException (sprintf ('The editor "%s" must extend sfRichTextEditor.', $editor));
        }
 
        $attributes = array_merge ($this->attributes, $this->getOptions ());
        $editor->initialize ($name, $value, $attributes);
        return $editor->toHTML ();
    }
}
?>

$this->widgetSchema['html'] = new sfWidgetFormTextareaFCK(
  array(),
  array('height'=>'700','width'=>'800'
));
     ...