RequiredLabelsFormatterTable.class.php

gistfile1.txt

<?php

class RequiredLabelsFormatterTable extends sfWidgetFormSchemaFormatterTable
{
  protected $requiredLabelClass = 'required';

  /**
   * Generates a label, but adds a '*' if the field is required
   * @see sfWidgetFormSchemaFormatter::generateLabel()
   */
  public function generateLabel($name, $attributes = array())
  {
    // loop up to find the "required_fields" option
    $widget = $this->widgetSchema;
    do
    {
      $requiredFields = (array) $widget->getOption('required_fields');
    }
    while ($widget = $widget->getParent());

    // add a class (non-destructively) if the field is required
    if (in_array($this->widgetSchema->generateName($name), $requiredFields))
    {
      $attributes['class'] = isset($attributes['class']) ?
        $attributes['class'].' '.$this->requiredLabelClass :
        $this->requiredLabelClass;

      $labelName = $this->generateLabelName($name);
      if (strlen($labelName))
      {
        $labelName .= ' ' . $this->widgetSchema->renderContentTag('span', '*', array('class' => 'compulsory'));
        $this->widgetSchema->setLabel($name, $labelName);
      }
    }

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