twitter bootstrapのHTMLを出すためのsfForm用formatter

sfWidgetFormSchemaFormatterBootstrap.class.php

<?php
/**
 * sfFormのフォームでtwitter bootstrap用のHTMLを出力するformatterクラス
 * 
 * @auther Hiromi Hishida<info@77-web.com>
 */
class sfWidgetFormSchemaFormatterBootstrap extends sfWidgetFormSchemaFormatter
{
  protected $rowFormat = '<fieldset class="%status%"><div class="control-group">%label%<div class="controls">%error%%field%%help%%hidden_fields%</div></div></fieldset>';
  protected $errorRowFormat = '%errors%';
  protected $errorListFormatInARow = '%errors%';
  protected $errorRowFormatInARow = '<p class="help-block">%error%</p>';
  protected $namedErrorRowFormatInARow = '<p class="help-block">%name%: %error%</p>';
  protected $helpFormat = '<p class="help-block">%help%</p>';
  protected $decoratorFormat = '';

  public function generateLabel($name, $attributes = array())
  {
    if (isset($attributes['class']))
    {
      $attributes['class'] .= ' control-label';
    }
    else
    {
      $attributes['class'] = 'control-label';
    }

    return parent::generateLabel($name, $attributes);
  }

  public function formatRow($label, $field, $errors = array(), $help = '', $hiddenFields = null)
  {
    $row = parent::formatRow($label, $field, $errors, $help, $hiddenFields);

    if (0 != count($errors))
    {
      $status = 'control-group error';
    }
    else
    {
      $status = 'control-group';
    }

    return strtr($row, array('%status%' => $status));
  }
}